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38379970 = 253837997
BaseRepresentation
bin1001001001101…
…0000111000010
32200012220102101
42102122013002
534311124340
63450341014
7644136646
oct222320702
980186371
1038379970
111a734492
1210a2a76a
137c4a355
145150c26
153581c9a
hex249a1c2

38379970 has 8 divisors (see below), whose sum is σ = 69083964. Its totient is φ = 15351984.

The previous prime is 38379967. The next prime is 38380007. The reversal of 38379970 is 7997383.

It can be written as a sum of positive squares in 2 ways, for example, as 36036009 + 2343961 = 6003^2 + 1531^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 38379970.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918989 + ... + 1919008.

Almost surely, 238379970 is an apocalyptic number.

38379970 is a deficient number, since it is larger than the sum of its proper divisors (30703994).

38379970 is a wasteful number, since it uses less digits than its factorization.

38379970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838004.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 38379970 is about 6195.1569794477. The cubic root of 38379970 is about 337.3143963481.

The spelling of 38379970 in words is "thirty-eight million, three hundred seventy-nine thousand, nine hundred seventy".

Divisors: 1 2 5 10 3837997 7675994 19189985 38379970