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88129734 = 23731117229
BaseRepresentation
bin1010100000011…
…00000011000110
320010211110021020
411100030003012
5140030122414
612424532010
72120043000
oct520140306
9203743236
1088129734
11458241a0
1225621006
1315348894
14b9c1370
157b0c7a9
hex540c0c6

88129734 has 128 divisors (see below), whose sum is σ = 238464000. Its totient is φ = 21450240.

The previous prime is 88129729. The next prime is 88129739. The reversal of 88129734 is 43792188.

It is an interprime number because it is at equal distance from previous prime (88129729) and next prime (88129739).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88129739) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384732 + ... + 384960.

It is an arithmetic number, because the mean of its divisors is an integer number (1863000).

Almost surely, 288129734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88129734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119232000).

88129734 is an abundant number, since it is smaller than the sum of its proper divisors (150334266).

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

88129734 is a wasteful number, since it uses less digits than its factorization.

88129734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 269 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 88129734 is about 9387.7438184049. The cubic root of 88129734 is about 445.0144909644.

The spelling of 88129734 in words is "eighty-eight million, one hundred twenty-nine thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 7 11 14 17 21 22 33 34 42 49 51 66 77 98 102 119 147 154 187 229 231 238 294 343 357 374 458 462 539 561 686 687 714 833 1029 1078 1122 1309 1374 1603 1617 1666 2058 2499 2519 2618 3206 3234 3773 3893 3927 4809 4998 5038 5831 7546 7557 7786 7854 9163 9618 11221 11319 11662 11679 15114 17493 17633 18326 22442 22638 23358 27251 27489 33663 34986 35266 42823 52899 54502 54978 64141 67326 78547 81753 85646 105798 123431 128282 128469 157094 163506 190757 192423 235641 246862 256938 299761 370293 381514 384846 471282 572271 599522 740586 864017 899283 1144542 1335299 1728034 1798566 2098327 2592051 2670598 4005897 4196654 5184102 6294981 8011794 12589962 14688289 29376578 44064867 88129734