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1380504704 = 2710785193
BaseRepresentation
bin101001001001000…
…1101010010000000
310120012122220102212
41102102031102000
510311402122304
6344553001252
746132045025
oct12222152200
93505586385
101380504704
11649293687
123263b3228
13190013cb7
14d14b954c
15812e366e
hex5248d480

1380504704 has 16 divisors (see below), whose sum is σ = 2750224470. Its totient is φ = 690252288.

The previous prime is 1380504701. The next prime is 1380504707. The reversal of 1380504704 is 4074050831.

It is an interprime number because it is at equal distance from previous prime (1380504701) and next prime (1380504707).

It can be written as a sum of positive squares in only one way, i.e., 1365450304 + 15054400 = 36952^2 + 3880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×13805047042 = 3811586475532255232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1380504701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5392469 + ... + 5392724.

Almost surely, 21380504704 is an apocalyptic number.

It is an amenable number.

1380504704 is a deficient number, since it is larger than the sum of its proper divisors (1369719766).

1380504704 is an equidigital number, since it uses as much as digits as its factorization.

1380504704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785207 (or 10785195 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1380504704 is about 37155.1437085096. The cubic root of 1380504704 is about 1113.4719908898.

The spelling of 1380504704 in words is "one billion, three hundred eighty million, five hundred four thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 128 10785193 21570386 43140772 86281544 172563088 345126176 690252352 1380504704