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39090930 = 2351303031
BaseRepresentation
bin1001010100011…
…1101011110010
32201120000200020
42111013223302
540001402210
63513504310
7653160504
oct225075362
981500606
1039090930
112007a65a
1211112096
138138b38
145297d74
153672770
hex2547af2

39090930 has 16 divisors (see below), whose sum is σ = 93818304. Its totient is φ = 10424240.

The previous prime is 39090929. The next prime is 39090943. The reversal of 39090930 is 3909093.

It is a junction number, because it is equal to n+sod(n) for n = 39090891 and 39090900.

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, 651486 + ... + 651545.

It is an arithmetic number, because the mean of its divisors is an integer number (5863644).

Almost surely, 239090930 is an apocalyptic number.

39090930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39090930 is an abundant number, since it is smaller than the sum of its proper divisors (54727374).

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

39090930 is a wasteful number, since it uses less digits than its factorization.

39090930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303041.

The product of its (nonzero) digits is 6561, while the sum is 33.

The square root of 39090930 is about 6252.2739863189. The cubic root of 39090930 is about 339.3844977315.

The spelling of 39090930 in words is "thirty-nine million, ninety thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1303031 2606062 3909093 6515155 7818186 13030310 19545465 39090930