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68364472 = 2311776869
BaseRepresentation
bin1000001001100…
…10100010111000
311202122021102111
410010302202320
5120000130342
610441142104
71460042221
oct404624270
9152567374
1068364472
1135654270
121aa8a934
1311218267
149118248
156006217
hex41328b8

68364472 has 16 divisors (see below), whose sum is σ = 139836600. Its totient is φ = 31074720.

The previous prime is 68364449. The next prime is 68364479. The reversal of 68364472 is 27446386.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68364479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388347 + ... + 388522.

Almost surely, 268364472 is an apocalyptic number.

It is an amenable number.

68364472 is an abundant number, since it is smaller than the sum of its proper divisors (71472128).

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

68364472 is a wasteful number, since it uses less digits than its factorization.

68364472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776886 (or 776882 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 68364472 is about 8268.2810789184. The cubic root of 68364472 is about 408.8934508829.

The spelling of 68364472 in words is "sixty-eight million, three hundred sixty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 776869 1553738 3107476 6214952 8545559 17091118 34182236 68364472