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1285492714 = 21158431487
BaseRepresentation
bin100110010011111…
…0000111111101010
310022120212210111021
41030213300333222
510113041231324
6331320323054
743566336112
oct11447607752
93276783437
101285492714
115aa699780
122ba61348a
1317642899c
14c2a26042
1577cc6ae4
hex4c9f0fea

1285492714 has 8 divisors (see below), whose sum is σ = 2103533568. Its totient is φ = 584314860.

The previous prime is 1285492679. The next prime is 1285492727. The reversal of 1285492714 is 4172945821.

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

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, 29215722 + ... + 29215765.

It is an arithmetic number, because the mean of its divisors is an integer number (262941696).

Almost surely, 21285492714 is an apocalyptic number.

1285492714 is a deficient number, since it is larger than the sum of its proper divisors (818040854).

1285492714 is a wasteful number, since it uses less digits than its factorization.

1285492714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58431500.

The product of its digits is 161280, while the sum is 43.

The square root of 1285492714 is about 35853.7684769677. The cubic root of 1285492714 is about 1087.3179053724.

The spelling of 1285492714 in words is "one billion, two hundred eighty-five million, four hundred ninety-two thousand, seven hundred fourteen".

Divisors: 1 2 11 22 58431487 116862974 642746357 1285492714