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68973332 = 22831032017
BaseRepresentation
bin1000001110001…
…11001100010100
311210210012121212
410013013030110
5120124121312
610502200552
71465156301
oct407071424
9153705555
1068973332
1135a2a75a
121b123158
131139c42c
1492360a8
1560c6822
hex41c7314

68973332 has 24 divisors (see below), whose sum is σ = 123404736. Its totient is φ = 33723648.

The previous prime is 68973293. The next prime is 68973337. The reversal of 68973332 is 23337986.

It is a self number, because there is not a number n which added to its sum of digits gives 68973332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68973337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33188 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (5141864).

Almost surely, 268973332 is an apocalyptic number.

It is an amenable number.

68973332 is a deficient number, since it is larger than the sum of its proper divisors (54431404).

68973332 is a wasteful number, since it uses less digits than its factorization.

68973332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2205 counting only the distinct ones).

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

The square root of 68973332 is about 8305.0184828211. The cubic root of 68973332 is about 410.1037453109.

The spelling of 68973332 in words is "sixty-eight million, nine hundred seventy-three thousand, three hundred thirty-two".

Divisors: 1 2 4 83 103 166 206 332 412 2017 4034 8068 8549 17098 34196 167411 207751 334822 415502 669644 831004 17243333 34486666 68973332