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39389252 = 2273833673
BaseRepresentation
bin1001011001000…
…0100001000100
32202010011220012
42112100201010
540040424002
63524125352
7655542320
oct226204104
982104805
1039389252
1120263801
1211236858
138211866
145334980
1536d0d52
hex2590844

39389252 has 24 divisors (see below), whose sum is σ = 79005696. Its totient is φ = 16832448.

The previous prime is 39389249. The next prime is 39389257. The reversal of 39389252 is 25298393.

It is a super-3 number, since 3×393892523 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (39389257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8888 + ... + 12560.

It is an arithmetic number, because the mean of its divisors is an integer number (3291904).

Almost surely, 239389252 is an apocalyptic number.

It is an amenable number.

39389252 is an abundant number, since it is smaller than the sum of its proper divisors (39616444).

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

39389252 is a wasteful number, since it uses less digits than its factorization.

39389252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4065 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 39389252 is about 6276.0857228053. The cubic root of 39389252 is about 340.2456471620.

The spelling of 39389252 in words is "thirty-nine million, three hundred eighty-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 383 766 1532 2681 3673 5362 7346 10724 14692 25711 51422 102844 1406759 2813518 5627036 9847313 19694626 39389252