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38667916 = 2271380997
BaseRepresentation
bin1001001110000…
…0011010001100
32200202112102001
42103200122030
534344333131
63500442044
7646446310
oct223403214
980675361
1038667916
111a910861
1210b49324
13801b431
1451c7b40
1535dc261
hex24e068c

38667916 has 12 divisors (see below), whose sum is σ = 77335888. Its totient is φ = 16571952.

The previous prime is 38667901. The next prime is 38667917. The reversal of 38667916 is 61976683.

38667916 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38667917) 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, 690471 + ... + 690526.

Almost surely, 238667916 is an apocalyptic number.

It is an amenable number.

38667916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38667916 is a wasteful number, since it uses less digits than its factorization.

38667916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381008 (or 1381006 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 38667916 is about 6218.3531581923. The cubic root of 38667916 is about 338.1558633647.

The spelling of 38667916 in words is "thirty-eight million, six hundred sixty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 1380997 2761994 5523988 9666979 19333958 38667916