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80152372 = 22127915667
BaseRepresentation
bin1001100011100…
…00011100110100
312120211011101101
410301300130310
5131004333442
611541535444
71662166246
oct461603464
9176734341
1080152372
1141275733
1222a14584
13137b4851
14a906096
157083cb7
hex4c70734

80152372 has 12 divisors (see below), whose sum is σ = 140385280. Its totient is φ = 40042296.

The previous prime is 80152363. The next prime is 80152379. The reversal of 80152372 is 27325108.

It is a self number, because there is not a number n which added to its sum of digits gives 80152372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80152379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 12949.

Almost surely, 280152372 is an apocalyptic number.

It is an amenable number.

80152372 is a deficient number, since it is larger than the sum of its proper divisors (60232908).

80152372 is a wasteful number, since it uses less digits than its factorization.

80152372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16950 (or 16948 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 80152372 is about 8952.7857117212. The cubic root of 80152372 is about 431.1603274449.

The spelling of 80152372 in words is "eighty million, one hundred fifty-two thousand, three hundred seventy-two".

Divisors: 1 2 4 1279 2558 5116 15667 31334 62668 20038093 40076186 80152372