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38858970 = 2351295299
BaseRepresentation
bin1001010000111…
…1000011011010
32201010020111010
42110033003122
534421441340
63504514350
7651203313
oct224170332
981106433
1038858970
111aa31357
121101b9b6
138087397
14523760a
153628b80
hex250f0da

38858970 has 16 divisors (see below), whose sum is σ = 93261600. Its totient is φ = 10362384.

The previous prime is 38858969. The next prime is 38858987. The reversal of 38858970 is 7985883.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647620 + ... + 647679.

It is an arithmetic number, because the mean of its divisors is an integer number (5828850).

Almost surely, 238858970 is an apocalyptic number.

38858970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38858970 is an abundant number, since it is smaller than the sum of its proper divisors (54402630).

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

38858970 is a wasteful number, since it uses less digits than its factorization.

38858970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295309.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 38858970 is about 6233.6963352412. The cubic root of 38858970 is about 338.7118791723.

The spelling of 38858970 in words is "thirty-eight million, eight hundred fifty-eight thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1295299 2590598 3885897 6476495 7771794 12952990 19429485 38858970