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88120396 = 227131092221
BaseRepresentation
bin1010100000010…
…01110001001100
320010210222110101
411100021301030
5140024323041
612424420444
72120003530
oct520116114
9203728411
1088120396
1145818181
1225617724
1315344560
14b9bbbc0
157b09b31
hex5409c4c

88120396 has 48 divisors (see below), whose sum is σ = 191625280. Its totient is φ = 34525440.

The previous prime is 88120387. The next prime is 88120399. The reversal of 88120396 is 69302188.

It is not an unprimeable number, because it can be changed into a prime (88120399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38566 + ... + 40786.

Almost surely, 288120396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88120396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95812640).

88120396 is an abundant number, since it is smaller than the sum of its proper divisors (103504884).

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

88120396 is a wasteful number, since it uses less digits than its factorization.

88120396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 88120396 is about 9387.2464546319. The cubic root of 88120396 is about 444.9987728788.

The spelling of 88120396 in words is "eighty-eight million, one hundred twenty thousand, three hundred ninety-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 109 182 218 364 436 763 1417 1526 2221 2834 3052 4442 5668 8884 9919 15547 19838 28873 31094 39676 57746 62188 115492 202111 242089 404222 484178 808444 968356 1694623 3147157 3389246 6294314 6778492 12588628 22030099 44060198 88120396