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80277172 = 2264731019
BaseRepresentation
bin1001100100011…
…10111010110100
312121001111120121
410302032322310
5131022332142
611544341324
71663226143
oct462167264
9177044517
1080277172
1141350478
1222a74844
13138295b1
14a93975a
1570aac67
hex4c8eeb4

80277172 has 12 divisors (see below), whose sum is σ = 140706720. Its totient is φ = 40075256.

The previous prime is 80277163. The next prime is 80277181. The reversal of 80277172 is 27177208.

It is an interprime number because it is at equal distance from previous prime (80277163) and next prime (80277181).

It is a congruent number.

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, 12922 + ... + 18097.

It is an arithmetic number, because the mean of its divisors is an integer number (11725560).

Almost surely, 280277172 is an apocalyptic number.

It is an amenable number.

80277172 is a deficient number, since it is larger than the sum of its proper divisors (60429548).

80277172 is a wasteful number, since it uses less digits than its factorization.

80277172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31670 (or 31668 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 80277172 is about 8959.7528983784. The cubic root of 80277172 is about 431.3839885554.

The spelling of 80277172 in words is "eighty million, two hundred seventy-seven thousand, one hundred seventy-two".

Divisors: 1 2 4 647 1294 2588 31019 62038 124076 20069293 40138586 80277172