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64460477 = 974671423
BaseRepresentation
bin1111010111100…
…1011010111101
311111021221011002
43311321122331
5113000213402
610221340045
71411622264
oct365713275
9144257132
1064460477
1133428124
1219707625
131047c2c3
1487bd5db
1559d4602
hex3d796bd

64460477 has 8 divisors (see below), whose sum is σ = 65310336. Its totient is φ = 63614592.

The previous prime is 64460471. The next prime is 64460479. The reversal of 64460477 is 77406446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64460477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64460477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64460471) 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, 44588 + ... + 46010.

It is an arithmetic number, because the mean of its divisors is an integer number (8163792).

Almost surely, 264460477 is an apocalyptic number.

It is an amenable number.

64460477 is a deficient number, since it is larger than the sum of its proper divisors (849859).

64460477 is a wasteful number, since it uses less digits than its factorization.

64460477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 64460477 is about 8028.7282305481. The cubic root of 64460477 is about 400.9570354650.

The spelling of 64460477 in words is "sixty-four million, four hundred sixty thousand, four hundred seventy-seven".

Divisors: 1 97 467 1423 45299 138031 664541 64460477