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25090088 = 233136261
BaseRepresentation
bin101111110110…
…1100000101000
31202012201010112
41133231200220
522410340323
62253433452
7423155642
oct137554050
952181115
1025090088
1113187611
12849b888
13527620a
143491892
152309178
hex17ed828

25090088 has 8 divisors (see below), whose sum is σ = 47043930. Its totient is φ = 12545040.

The previous prime is 25090069. The next prime is 25090097. The reversal of 25090088 is 88009052.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 3541924 = 4642^2 + 1882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1568123 + ... + 1568138.

Almost surely, 225090088 is an apocalyptic number.

It is an amenable number.

25090088 is a deficient number, since it is larger than the sum of its proper divisors (21953842).

25090088 is a wasteful number, since it uses less digits than its factorization.

25090088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136267 (or 3136263 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 25090088 is about 5009.0006987422. Note that the first 3 decimals coincide. The cubic root of 25090088 is about 292.7525779948.

The spelling of 25090088 in words is "twenty-five million, ninety thousand, eighty-eight".

Divisors: 1 2 4 8 3136261 6272522 12545044 25090088