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38612970 = 23351113001
BaseRepresentation
bin1001001101001…
…0111111101010
32200122202001000
42103102333222
534341103340
63455335430
7646130154
oct223227752
980582030
1038612970
111a883550
1210b21576
137ccc416
1451b1ad4
1535cad30
hex24d2fea

38612970 has 64 divisors (see below), whose sum is σ = 112337280. Its totient is φ = 9360000.

The previous prime is 38612957. The next prime is 38612989. The reversal of 38612970 is 7921683.

38612970 is a `hidden beast` number, since 38 + 612 + 9 + 7 + 0 = 666.

It is a super-2 number, since 2×386129702 = 2981922904441800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3531 + ... + 9470.

It is an arithmetic number, because the mean of its divisors is an integer number (1755270).

Almost surely, 238612970 is an apocalyptic number.

38612970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38612970 is an abundant number, since it is smaller than the sum of its proper divisors (73724310).

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

38612970 is a wasteful number, since it uses less digits than its factorization.

38612970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028 (or 13022 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 38612970 is about 6213.9335368187. The cubic root of 38612970 is about 337.9956175103.

The spelling of 38612970 in words is "thirty-eight million, six hundred twelve thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 13001 26002 39003 65005 78006 117009 130010 143011 195015 234018 286022 351027 390030 429033 585045 702054 715055 858066 1170090 1287099 1430110 1755135 2145165 2574198 3510270 3861297 4290330 6435495 7722594 12870990 19306485 38612970