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39427284 = 223131714867
BaseRepresentation
bin1001011001100…
…1110011010100
32202012010001210
42112121303110
540043133114
63525021420
7656061231
oct226316324
982163053
1039427284
112028a336
1211254870
138225c70
145344788
1536dc259
hex2599cd4

39427284 has 48 divisors (see below), whose sum is σ = 104908608. Its totient is φ = 11417088.

The previous prime is 39427243. The next prime is 39427291. The reversal of 39427284 is 48272493.

39427284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4782 + ... + 10085.

It is an arithmetic number, because the mean of its divisors is an integer number (2185596).

Almost surely, 239427284 is an apocalyptic number.

39427284 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39427284 is an abundant number, since it is smaller than the sum of its proper divisors (65481324).

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

39427284 is a wasteful number, since it uses less digits than its factorization.

39427284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14904 (or 14902 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 39427284 is about 6279.1149057809. The cubic root of 39427284 is about 340.3551191563.

The spelling of 39427284 in words is "thirty-nine million, four hundred twenty-seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 14867 29734 44601 59468 89202 178404 193271 252739 386542 505478 579813 758217 773084 1010956 1159626 1516434 2319252 3032868 3285607 6571214 9856821 13142428 19713642 39427284