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38970378 = 2323136917
BaseRepresentation
bin1001010010101…
…0010000001010
32201022220022100
42110222100022
534434023003
63511134230
7652146156
oct224522012
981286270
1038970378
111aaa8027
1211074376
1380c5cc5
145266066
15364bba3
hex252a40a

38970378 has 24 divisors (see below), whose sum is σ = 84717828. Its totient is φ = 12946752.

The previous prime is 38970353. The next prime is 38970389. The reversal of 38970378 is 87307983.

It can be written as a sum of positive squares in 2 ways, for example, as 36036009 + 2934369 = 6003^2 + 1713^2 .

It is a super-2 number, since 2×389703782 = 3037380722925768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2176 + ... + 9092.

Almost surely, 238970378 is an apocalyptic number.

38970378 is an abundant number, since it is smaller than the sum of its proper divisors (45747450).

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

38970378 is a wasteful number, since it uses less digits than its factorization.

38970378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7235 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 38970378 is about 6242.6258897999. The cubic root of 38970378 is about 339.0352640372.

The spelling of 38970378 in words is "thirty-eight million, nine hundred seventy thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 313 626 939 1878 2817 5634 6917 13834 20751 41502 62253 124506 2165021 4330042 6495063 12990126 19485189 38970378