Search a number
-
+
33494972 = 2278913441
BaseRepresentation
bin111111111000…
…1011110111100
32100000201110112
41333301132330
532033314342
63153525152
7554462660
oct177613674
970021415
1033494972
11179a82a5
12b2737b8
136c29a14
14463c8a0
152e19682
hex1ff17bc

33494972 has 24 divisors (see below), whose sum is σ = 67747680. Its totient is φ = 14192640.

The previous prime is 33494963. The next prime is 33494999. The reversal of 33494972 is 27949433.

It is a super-2 number, since 2×334949722 = 2243826298561568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 4229 + ... + 9212.

It is an arithmetic number, because the mean of its divisors is an integer number (2822820).

Almost surely, 233494972 is an apocalyptic number.

It is an amenable number.

33494972 is an abundant number, since it is smaller than the sum of its proper divisors (34252708).

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

33494972 is a wasteful number, since it uses less digits than its factorization.

33494972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13541 (or 13539 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 33494972 is about 5787.4840820515. The cubic root of 33494972 is about 322.3491576692.

The spelling of 33494972 in words is "thirty-three million, four hundred ninety-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 13441 26882 53764 94087 188174 376348 1196249 2392498 4784996 8373743 16747486 33494972