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479747994 = 231137712767
BaseRepresentation
bin11100100110000…
…101111110011010
31020102201201112020
4130212011332122
51440303413434
6115334355310
714613535125
oct3446057632
91212651466
10479747994
11226894850
121147bbb36
137851406b
1447a033bc
152c1b7849
hex1c985f9a

479747994 has 64 divisors (see below), whose sum is σ = 1090547712. Its totient is φ = 139406400.

The previous prime is 479747977. The next prime is 479748001. The reversal of 479747994 is 499747974.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171999 + ... + 174765.

It is an arithmetic number, because the mean of its divisors is an integer number (17039808).

Almost surely, 2479747994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479747994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545273856).

479747994 is an abundant number, since it is smaller than the sum of its proper divisors (610799718).

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

479747994 is a wasteful number, since it uses less digits than its factorization.

479747994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its digits is 16003008, while the sum is 60.

The square root of 479747994 is about 21903.1503213579. The cubic root of 479747994 is about 782.8364806172.

The spelling of 479747994 in words is "four hundred seventy-nine million, seven hundred forty-seven thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 37 66 71 74 111 142 213 222 407 426 781 814 1221 1562 2343 2442 2627 2767 4686 5254 5534 7881 8301 15762 16602 28897 30437 57794 60874 86691 91311 102379 173382 182622 196457 204758 307137 392914 589371 614274 1126169 1178742 2161027 2252338 3378507 4322054 6483081 6757014 7268909 12966162 14537818 21806727 43613454 79957999 159915998 239873997 479747994