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80139962 = 275724283
BaseRepresentation
bin1001100011011…
…01011010111010
312120210112100202
410301231122322
5131003434322
611541402202
71662115130
oct461553272
9176715322
1080139962
1141267381
1222a09362
13137abcc6
14a901750
157080292
hex4c6d6ba

80139962 has 8 divisors (see below), whose sum is σ = 137382816. Its totient is φ = 34345692.

The previous prime is 80139959. The next prime is 80139979. The reversal of 80139962 is 26993108.

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

It is a super-2 number, since 2×801399622 = 12844827018722888, 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, 2862128 + ... + 2862155.

It is an arithmetic number, because the mean of its divisors is an integer number (17172852).

Almost surely, 280139962 is an apocalyptic number.

80139962 is a deficient number, since it is larger than the sum of its proper divisors (57242854).

80139962 is a wasteful number, since it uses less digits than its factorization.

80139962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724292.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 80139962 is about 8952.0926045255. The cubic root of 80139962 is about 431.1380740970.

The spelling of 80139962 in words is "eighty million, one hundred thirty-nine thousand, nine hundred sixty-two".

Divisors: 1 2 7 14 5724283 11448566 40069981 80139962