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42574680 = 2333579499
BaseRepresentation
bin1010001001101…
…0001101011000
32222010000111000
42202122031120
541344342210
64120305000
71024610301
oct242321530
988100430
1042574680
1122039a95
1212312160
138a88725
1459237a8
153b0eac0
hex289a358

42574680 has 128 divisors (see below), whose sum is σ = 144000000. Its totient is φ = 11187072.

The previous prime is 42574673. The next prime is 42574691. The reversal of 42574680 is 8647524.

42574680 is a `hidden beast` number, since 4 + 2 + 574 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85071 + ... + 85569.

It is an arithmetic number, because the mean of its divisors is an integer number (1125000).

Almost surely, 242574680 is an apocalyptic number.

42574680 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 42574680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72000000).

42574680 is an abundant number, since it is smaller than the sum of its proper divisors (101425320).

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

42574680 is a wasteful number, since it uses less digits than its factorization.

42574680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42574680 is about 6524.9275858051. The cubic root of 42574680 is about 349.1808872287.

The spelling of 42574680 in words is "forty-two million, five hundred seventy-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 79 90 108 120 135 158 180 216 237 270 316 360 395 474 499 540 632 711 790 948 998 1080 1185 1422 1497 1580 1896 1996 2133 2370 2495 2844 2994 3160 3555 3992 4266 4491 4740 4990 5688 5988 7110 7485 8532 8982 9480 9980 10665 11976 13473 14220 14970 17064 17964 19960 21330 22455 26946 28440 29940 35928 39421 42660 44910 53892 59880 67365 78842 85320 89820 107784 118263 134730 157684 179640 197105 236526 269460 315368 354789 394210 473052 538920 591315 709578 788420 946104 1064367 1182630 1419156 1576840 1773945 2128734 2365260 2838312 3547890 4257468 4730520 5321835 7095780 8514936 10643670 14191560 21287340 42574680