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10893640 = 235272341
BaseRepresentation
bin101001100011…
…100101001000
3202111110021011
4221203211020
510242044030
61025253304
7161410612
oct51434510
922443234
1010893640
11617060a
123794234
132345554
141637db2
15e52b2a
hexa63948

10893640 has 16 divisors (see below), whose sum is σ = 24510780. Its totient is φ = 4357440.

The previous prime is 10893629. The next prime is 10893643. The reversal of 10893640 is 4639801.

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 743044 = 3186^2 + 862^2 .

It is not an unprimeable number, because it can be changed into a prime (10893643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136131 + ... + 136210.

Almost surely, 210893640 is an apocalyptic number.

10893640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10893640 is an abundant number, since it is smaller than the sum of its proper divisors (13617140).

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

10893640 is a wasteful number, since it uses less digits than its factorization.

10893640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272352 (or 272348 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10893640 is about 3300.5514690730. The cubic root of 10893640 is about 221.6788907901.

The spelling of 10893640 in words is "ten million, eight hundred ninety-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 272341 544682 1089364 1361705 2178728 2723410 5446820 10893640