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27797948 = 2231224177
BaseRepresentation
bin110101000001…
…0100110111100
31221022021121122
41222002212330
524104013243
62431450112
7455164403
oct152024674
957267548
1027797948
1114767012
129386938
1359b38b9
14399863a
152691668
hex1a829bc

27797948 has 12 divisors (see below), whose sum is σ = 50215872. Its totient is φ = 13450560.

The previous prime is 27797947. The next prime is 27797953. The reversal of 27797948 is 84979772.

It is a self number, because there is not a number n which added to its sum of digits gives 27797948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27797947) 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, 111965 + ... + 112212.

It is an arithmetic number, because the mean of its divisors is an integer number (4184656).

Almost surely, 227797948 is an apocalyptic number.

It is an amenable number.

27797948 is a deficient number, since it is larger than the sum of its proper divisors (22417924).

27797948 is a wasteful number, since it uses less digits than its factorization.

27797948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224212 (or 224210 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 53.

The square root of 27797948 is about 5272.3759350031. The cubic root of 27797948 is about 302.9267178556.

The spelling of 27797948 in words is "twenty-seven million, seven hundred ninety-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 31 62 124 224177 448354 896708 6949487 13898974 27797948