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1340485315 = 51320622851
BaseRepresentation
bin100111111100110…
…0010111011000011
310110102100201011021
41033321202323003
510221131012230
6341003130311
745134636311
oct11771427303
93412321137
101340485315
1162873a504
12314b13997
131849416a0
14ca05d0b1
157ca3ac7a
hex4fe62ec3

1340485315 has 8 divisors (see below), whose sum is σ = 1732319568. Its totient is φ = 989896800.

The previous prime is 1340485303. The next prime is 1340485319. The reversal of 1340485315 is 5135840431.

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

It is not a de Polignac number, because 1340485315 - 217 = 1340354243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340485319) 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, 10311361 + ... + 10311490.

It is an arithmetic number, because the mean of its divisors is an integer number (216539946).

Almost surely, 21340485315 is an apocalyptic number.

1340485315 is a deficient number, since it is larger than the sum of its proper divisors (391834253).

1340485315 is a wasteful number, since it uses less digits than its factorization.

1340485315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20622869.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1340485315 is about 36612.6387330932. The cubic root of 1340485315 is about 1102.6068516681.

The spelling of 1340485315 in words is "one billion, three hundred forty million, four hundred eighty-five thousand, three hundred fifteen".

Divisors: 1 5 13 65 20622851 103114255 268097063 1340485315