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88974138 = 231143107293
BaseRepresentation
bin1010100110110…
…10001100111010
320012102100120110
411103122030322
5140234133023
612455005150
72130160551
oct523321472
9205370513
1088974138
1146250650
12259697b6
1315583026
14bb60d98
157c27a93
hex54da33a

88974138 has 64 divisors (see below), whose sum is σ = 201180672. Its totient is φ = 25999680.

The previous prime is 88974113. The next prime is 88974187. The reversal of 88974138 is 83147988.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303520 + ... + 303812.

It is an arithmetic number, because the mean of its divisors is an integer number (3143448).

Almost surely, 288974138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88974138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100590336).

88974138 is an abundant number, since it is smaller than the sum of its proper divisors (112206534).

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

88974138 is a wasteful number, since it uses less digits than its factorization.

88974138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 387072, while the sum is 48.

The square root of 88974138 is about 9432.6103492087. The cubic root of 88974138 is about 446.4312592125.

The spelling of 88974138 in words is "eighty-eight million, nine hundred seventy-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 43 66 86 107 129 214 258 293 321 473 586 642 879 946 1177 1419 1758 2354 2838 3223 3531 4601 6446 7062 9202 9669 12599 13803 19338 25198 27606 31351 37797 50611 62702 75594 94053 101222 138589 151833 188106 277178 303666 344861 415767 689722 831534 1034583 1348093 2069166 2696186 4044279 8088558 14829023 29658046 44487069 88974138