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88870488 = 2337528991
BaseRepresentation
bin1010100110000…
…00111001011000
320012020002101120
411103000321120
5140222323423
612452445240
72126246430
oct523007130
9205202346
1088870488
114618a793
1225919820
1315547ab5
14bb352c0
157c06ee3
hex54c0e58

88870488 has 32 divisors (see below), whose sum is σ = 253916160. Its totient is φ = 25391520.

The previous prime is 88870451. The next prime is 88870489. The reversal of 88870488 is 88407888.

It is a self number, because there is not a number n which added to its sum of digits gives 88870488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88870489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264328 + ... + 264663.

It is an arithmetic number, because the mean of its divisors is an integer number (7934880).

Almost surely, 288870488 is an apocalyptic number.

It is an amenable number.

88870488 is an abundant number, since it is smaller than the sum of its proper divisors (165045672).

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

88870488 is a wasteful number, since it uses less digits than its factorization.

88870488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529007 (or 529003 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 51.

The square root of 88870488 is about 9427.1145108140. The cubic root of 88870488 is about 446.2578358596.

The spelling of 88870488 in words is "eighty-eight million, eight hundred seventy thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 528991 1057982 1586973 2115964 3173946 3702937 4231928 6347892 7405874 11108811 12695784 14811748 22217622 29623496 44435244 88870488