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172076876 = 22110938791
BaseRepresentation
bin10100100000110…
…10111101001100
3102222210102002122
422100122331030
5323022430001
625024112112
74156425566
oct1220327514
9388712078
10172076876
11891509a4
1249765638
132985b74a
1418bd4336
1510190b1b
hexa41af4c

172076876 has 12 divisors (see below), whose sum is σ = 301413840. Its totient is φ = 85958640.

The previous prime is 172076851. The next prime is 172076887. The reversal of 172076876 is 678670271.

It is a super-2 number, since 2×1720768762 = 59220902507838752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14960 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (25117820).

Almost surely, 2172076876 is an apocalyptic number.

It is an amenable number.

172076876 is a deficient number, since it is larger than the sum of its proper divisors (129336964).

172076876 is a wasteful number, since it uses less digits than its factorization.

172076876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39904 (or 39902 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 172076876 is about 13117.8075912097. The cubic root of 172076876 is about 556.2126190257.

The spelling of 172076876 in words is "one hundred seventy-two million, seventy-six thousand, eight hundred seventy-six".

Divisors: 1 2 4 1109 2218 4436 38791 77582 155164 43019219 86038438 172076876