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42372480 = 273529761
BaseRepresentation
bin1010000110100…
…0110110000000
32221201202010010
42201220312000
541321404410
64112104520
71023105633
oct241506600
987652103
1042372480
1121a11087
1212235140
138a17697
1458adc1a
153abec20
hex2868d80

42372480 has 128 divisors (see below), whose sum is σ = 139903200. Its totient is φ = 10895360.

The previous prime is 42372479. The next prime is 42372503. The reversal of 42372480 is 8427324.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×423724802 = 3590854122700800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55300 + ... + 56060.

Almost surely, 242372480 is an apocalyptic number.

42372480 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 42372480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69951600).

42372480 is an abundant number, since it is smaller than the sum of its proper divisors (97530720).

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

42372480 is a wasteful number, since it uses less digits than its factorization.

42372480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42372480 is about 6509.4147202341. The cubic root of 42372480 is about 348.6272213325.

The spelling of 42372480 in words is "forty-two million, three hundred seventy-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 290 320 348 384 435 464 480 580 640 696 761 870 928 960 1160 1392 1522 1740 1856 1920 2283 2320 2784 3044 3480 3712 3805 4566 4640 5568 6088 6960 7610 9132 9280 11136 11415 12176 13920 15220 18264 18560 22069 22830 24352 27840 30440 36528 44138 45660 48704 55680 60880 66207 73056 88276 91320 97408 110345 121760 132414 146112 176552 182640 220690 243520 264828 292224 331035 353104 365280 441380 487040 529656 662070 706208 730560 882760 1059312 1324140 1412416 1461120 1765520 2118624 2648280 2824832 3531040 4237248 5296560 7062080 8474496 10593120 14124160 21186240 42372480