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63345072 = 2437188527
BaseRepresentation
bin1111000110100…
…1000110110000
311102012021002210
43301221012300
5112204020242
610141412120
71366265340
oct361510660
9142167083
1063345072
11328360aa
121926a040
131017b6bb
1485acd20
155863d9c
hex3c691b0

63345072 has 40 divisors (see below), whose sum is σ = 187019776. Its totient is φ = 18098496.

The previous prime is 63345071. The next prime is 63345091. The reversal of 63345072 is 27054336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63345071) 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, 93928 + ... + 94599.

Almost surely, 263345072 is an apocalyptic number.

It is an amenable number.

63345072 is an abundant number, since it is smaller than the sum of its proper divisors (123674704).

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

63345072 is a wasteful number, since it uses less digits than its factorization.

63345072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188545 (or 188539 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 63345072 is about 7958.9617413328. The cubic root of 63345072 is about 398.6308858292.

The spelling of 63345072 in words is "sixty-three million, three hundred forty-five thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 188527 377054 565581 754108 1131162 1319689 1508216 2262324 2639378 3016432 3959067 4524648 5278756 7918134 9049296 10557512 15836268 21115024 31672536 63345072