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42029520 = 24351319709
BaseRepresentation
bin1010000001010…
…1000111010000
32221002022122220
42200111013100
541224421040
64100501040
71020150021
oct240250720
987068586
1042029520
11217a7445
12120aa780
138927550
145820c48
153a532d0
hex28151d0

42029520 has 160 divisors (see below), whose sum is σ = 147907200. Its totient is φ = 9787392.

The previous prime is 42029513. The next prime is 42029527. The reversal of 42029520 is 2592024.

It is an interprime number because it is at equal distance from previous prime (42029513) and next prime (42029527).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42029527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58926 + ... + 59634.

It is an arithmetic number, because the mean of its divisors is an integer number (924420).

Almost surely, 242029520 is an apocalyptic number.

42029520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42029520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73953600).

42029520 is an abundant number, since it is smaller than the sum of its proper divisors (105877680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42029520 is a wasteful number, since it uses less digits than its factorization.

42029520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42029520 is about 6483.0178158015. The cubic root of 42029520 is about 347.6840837548.

The spelling of 42029520 in words is "forty-two million, twenty-nine thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 48 52 57 60 65 76 78 80 95 104 114 120 130 152 156 190 195 208 228 240 247 260 285 304 312 380 390 456 494 520 570 624 709 741 760 780 912 988 1040 1140 1235 1418 1482 1520 1560 1976 2127 2280 2470 2836 2964 3120 3545 3705 3952 4254 4560 4940 5672 5928 7090 7410 8508 9217 9880 10635 11344 11856 13471 14180 14820 17016 18434 19760 21270 26942 27651 28360 29640 34032 36868 40413 42540 46085 53884 55302 56720 59280 67355 73736 80826 85080 92170 107768 110604 134710 138255 147472 161652 170160 175123 184340 202065 215536 221208 269420 276510 323304 350246 368680 404130 442416 525369 538840 553020 646608 700492 737360 808260 875615 1050738 1077680 1106040 1400984 1616520 1751230 2101476 2212080 2626845 2801968 3233040 3502460 4202952 5253690 7004920 8405904 10507380 14009840 21014760 42029520