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520318104 = 23371305351
BaseRepresentation
bin11111000000110…
…110110010011000
31100021001220020220
4133000312302120
52031200134404
6123344120040
715615426255
oct3700666230
91307056226
10520318104
11247784769
12126306020
1383a4a247
144d16442c
1530a2d4d9
hex1f036c98

520318104 has 32 divisors (see below), whose sum is σ = 1319120640. Its totient is φ = 170996000.

The previous prime is 520318091. The next prime is 520318129. The reversal of 520318104 is 401813025.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150972 + ... + 154379.

It is an arithmetic number, because the mean of its divisors is an integer number (41222520).

Almost surely, 2520318104 is an apocalyptic number.

It is an amenable number.

520318104 is an abundant number, since it is smaller than the sum of its proper divisors (798802536).

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

520318104 is a wasteful number, since it uses less digits than its factorization.

520318104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305431 (or 305427 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 520318104 is about 22810.4823272109. The cubic root of 520318104 is about 804.3090937985.

The spelling of 520318104 in words is "five hundred twenty million, three hundred eighteen thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 305351 610702 916053 1221404 1832106 2442808 3664212 7328424 21679921 43359842 65039763 86719684 130079526 173439368 260159052 520318104