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1315014520 = 235173190031
BaseRepresentation
bin100111001100001…
…1000011101111000
310101122102122210111
41032120120131320
510143120431040
6334253154104
744405303401
oct11630303570
93348378714
101315014520
11615322966
1230848b934
1317c594101
14c690c9a8
157a6a8dea
hex4e618778

1315014520 has 32 divisors (see below), whose sum is σ = 2975901120. Its totient is φ = 522962560.

The previous prime is 1315014517. The next prime is 1315014557. The reversal of 1315014520 is 254105131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1315014491 and 1315014500.

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, 88096 + ... + 101935.

It is an arithmetic number, because the mean of its divisors is an integer number (92996910).

Almost surely, 21315014520 is an apocalyptic number.

1315014520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315014520 is an abundant number, since it is smaller than the sum of its proper divisors (1660886600).

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

1315014520 is a wasteful number, since it uses less digits than its factorization.

1315014520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190215 (or 190211 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1315014520 is about 36263.1289328431. The cubic root of 1315014520 is about 1095.5785382000.

Adding to 1315014520 its reverse (254105131), we get a palindrome (1569119651).

The spelling of 1315014520 in words is "one billion, three hundred fifteen million, fourteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 173 346 692 865 1384 1730 3460 6920 190031 380062 760124 950155 1520248 1900310 3800620 7601240 32875363 65750726 131501452 164376815 263002904 328753630 657507260 1315014520