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38992377 = 330742337
BaseRepresentation
bin1001010010111…
…1100111111001
32201101000111010
42110233213321
534440224002
63511424133
7652300254
oct224574771
981330433
1038992377
1120012606
1211085049
138103018
14527009b
15365346c
hex252f9f9

38992377 has 8 divisors (see below), whose sum is σ = 52160416. Its totient is φ = 25909632.

The previous prime is 38992367. The next prime is 38992381. The reversal of 38992377 is 77329983.

38992377 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38992377 - 27 = 38992249 is a prime.

It is a super-2 number, since 2×389923772 = 3040810928220258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38992367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20248 + ... + 22089.

It is an arithmetic number, because the mean of its divisors is an integer number (6520052).

Almost surely, 238992377 is an apocalyptic number.

It is an amenable number.

38992377 is a deficient number, since it is larger than the sum of its proper divisors (13168039).

38992377 is a wasteful number, since it uses less digits than its factorization.

38992377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42647.

The product of its digits is 571536, while the sum is 48.

The square root of 38992377 is about 6244.3876401133. The cubic root of 38992377 is about 339.0990478148.

The spelling of 38992377 in words is "thirty-eight million, nine hundred ninety-two thousand, three hundred seventy-seven".

Divisors: 1 3 307 921 42337 127011 12997459 38992377