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1375606234 = 2687803117
BaseRepresentation
bin101000111111110…
…0001010111011010
310112212110001000001
41101333201113122
510304123344414
6344300003214
746042313542
oct12177412732
93485401001
101375606234
11646548362
1232483050a
1318bcba4b2
14d09a2322
1580b77074
hex51fe15da

1375606234 has 4 divisors (see below), whose sum is σ = 2063409354. Its totient is φ = 687803116.

The previous prime is 1375606217. The next prime is 1375606259. The reversal of 1375606234 is 4326065731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4326065731 = 13332774287.

It can be written as a sum of positive squares in only one way, i.e., 1274704209 + 100902025 = 35703^2 + 10045^2 .

It is a super-2 number, since 2×13756062342 = 3784585022039325512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1375606193 and 1375606202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343901557 + ... + 343901560.

Almost surely, 21375606234 is an apocalyptic number.

1375606234 is a deficient number, since it is larger than the sum of its proper divisors (687803120).

1375606234 is an equidigital number, since it uses as much as digits as its factorization.

1375606234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687803119.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 1375606234 is about 37089.1659922409. The cubic root of 1375606234 is about 1112.1534457995.

The spelling of 1375606234 in words is "one billion, three hundred seventy-five million, six hundred six thousand, two hundred thirty-four".

Divisors: 1 2 687803117 1375606234