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30076172 = 2276117609
BaseRepresentation
bin111001010111…
…0110100001100
32002121000202022
41302232310030
530144414142
62552345312
7513433430
oct162566414
962530668
1030076172
1115a82745
12a0a5238
136300869
143dcc9c0
1529916d2
hex1caed0c

30076172 has 24 divisors (see below), whose sum is σ = 61141920. Its totient is φ = 12677760.

The previous prime is 30076171. The next prime is 30076177. The reversal of 30076172 is 27167003.

It is a super-2 number, since 2×300761722 = 1809152244347168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30076171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7097 + ... + 10512.

It is an arithmetic number, because the mean of its divisors is an integer number (2547580).

Almost surely, 230076172 is an apocalyptic number.

It is an amenable number.

30076172 is an abundant number, since it is smaller than the sum of its proper divisors (31065748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30076172 is a wasteful number, since it uses less digits than its factorization.

30076172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17681 (or 17679 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 30076172 is about 5484.1746872251. The cubic root of 30076172 is about 310.9860106816.

The spelling of 30076172 in words is "thirty million, seventy-six thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1708 17609 35218 70436 123263 246526 493052 1074149 2148298 4296596 7519043 15038086 30076172