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97900288 = 282913187
BaseRepresentation
bin1011101010111…
…01011100000000
320211012211221121
411311131130000
5200030302123
613414202024
72266065403
oct565353400
9224184847
1097900288
1150297a32
1228953314
1317389b85
14d005d3a
1588dc75d
hex5d5d700

97900288 has 36 divisors (see below), whose sum is σ = 202172040. Its totient is φ = 47258624.

The previous prime is 97900279. The next prime is 97900289. The reversal of 97900288 is 88200979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97900289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831 + ... + 14017.

It is an arithmetic number, because the mean of its divisors is an integer number (5615890).

Almost surely, 297900288 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 97900288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101086020).

97900288 is an abundant number, since it is smaller than the sum of its proper divisors (104271752).

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

97900288 is a wasteful number, since it uses less digits than its factorization.

97900288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232 (or 13218 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 97900288 is about 9894.4574383844. The cubic root of 97900288 is about 460.8872102170.

The spelling of 97900288 in words is "ninety-seven million, nine hundred thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 256 464 928 1856 3712 7424 13187 26374 52748 105496 210992 382423 421984 764846 843968 1529692 1687936 3059384 3375872 6118768 12237536 24475072 48950144 97900288