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1379423834 = 21153598189
BaseRepresentation
bin101001000111000…
…0101011001011010
310120010121222202122
41102032011121122
510311113030314
6344513501242
746116623555
oct12216053132
93503558678
101379423834
116487155a8
12325b71822
1318ca26029
14d12b769c
158117d28e
hex5238565a

1379423834 has 8 divisors (see below), whose sum is σ = 2070933780. Its totient is φ = 689112576.

The previous prime is 1379423797. The next prime is 1379423861. The reversal of 1379423834 is 4383249731.

It can be written as a sum of positive squares in 2 ways, for example, as 1343002609 + 36421225 = 36647^2 + 6035^2 .

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

It is a super-2 number, since 2×13794238342 = 3805620227614519112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296789 + ... + 301400.

Almost surely, 21379423834 is an apocalyptic number.

1379423834 is a deficient number, since it is larger than the sum of its proper divisors (691509946).

1379423834 is a wasteful number, since it uses less digits than its factorization.

1379423834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599344.

The product of its digits is 435456, while the sum is 44.

The square root of 1379423834 is about 37140.5954987262. The cubic root of 1379423834 is about 1113.1813163504.

The spelling of 1379423834 in words is "one billion, three hundred seventy-nine million, four hundred twenty-three thousand, eight hundred thirty-four".

Divisors: 1 2 1153 2306 598189 1196378 689711917 1379423834