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38465977 = 1129373259
BaseRepresentation
bin1001001010111…
…1000110111001
32200101021101211
42102233012321
534321402402
63452243121
7644645464
oct222570671
980337354
1038465977
111a793070
1210a704a1
137c7a544
1451742db
15359c4d7
hex24af1b9

38465977 has 16 divisors (see below), whose sum is σ = 44596800. Its totient is φ = 32840640.

The previous prime is 38465971. The next prime is 38465981. The reversal of 38465977 is 77956483.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38465977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38465977.

It is not an unprimeable number, because it can be changed into a prime (38465971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10174 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (2787300).

Almost surely, 238465977 is an apocalyptic number.

38465977 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38465977 is a deficient number, since it is larger than the sum of its proper divisors (6130823).

38465977 is a wasteful number, since it uses less digits than its factorization.

38465977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336.

The product of its digits is 1270080, while the sum is 49.

The square root of 38465977 is about 6202.0945655480. The cubic root of 38465977 is about 337.5661748612.

The spelling of 38465977 in words is "thirty-eight million, four hundred sixty-five thousand, nine hundred seventy-seven".

Divisors: 1 11 29 37 319 407 1073 3259 11803 35849 94511 120583 1039621 1326413 3496907 38465977