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28652608 = 261923563
BaseRepresentation
bin110110101001…
…1010001000000
31222220200222201
41231103101000
524313340413
62502042544
7465354205
oct155232100
958820881
1028652608
11151a0146
129719454
135c2290a
143b3bcac
1527ae9dd
hex1b53440

28652608 has 28 divisors (see below), whose sum is σ = 59852560. Its totient is φ = 13571712.

The previous prime is 28652593. The next prime is 28652623. The reversal of 28652608 is 80625682.

It is an interprime number because it is at equal distance from previous prime (28652593) and next prime (28652623).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10566 + ... + 12997.

Almost surely, 228652608 is an apocalyptic number.

It is an amenable number.

28652608 is an abundant number, since it is smaller than the sum of its proper divisors (31199952).

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

28652608 is a wasteful number, since it uses less digits than its factorization.

28652608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23594 (or 23584 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 28652608 is about 5352.8130921974. The cubic root of 28652608 is about 305.9999715209. Note that the first 4 decimals are identical.

The spelling of 28652608 in words is "twenty-eight million, six hundred fifty-two thousand, six hundred eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 23563 47126 94252 188504 377008 447697 754016 895394 1508032 1790788 3581576 7163152 14326304 28652608