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912472172 = 221391641137
BaseRepresentation
bin110110011000110…
…011100001101100
32100120222101111122
4312120303201230
53332043102142
6230313240112
731416612503
oct6630634154
92316871448
10912472172
11429080937
12215703038
13117072581
148928583a
15551921d2
hex3663386c

912472172 has 12 divisors (see below), whose sum is σ = 1608315240. Its totient is φ = 452953536.

The previous prime is 912472117. The next prime is 912472177. The reversal of 912472172 is 271274219.

912472172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (912472177) 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, 820013 + ... + 821124.

It is an arithmetic number, because the mean of its divisors is an integer number (134026270).

Almost surely, 2912472172 is an apocalyptic number.

It is an amenable number.

912472172 is a deficient number, since it is larger than the sum of its proper divisors (695843068).

912472172 is a wasteful number, since it uses less digits than its factorization.

912472172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641280 (or 1641278 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 912472172 is about 30207.1543181413. The cubic root of 912472172 is about 969.9288472979.

The spelling of 912472172 in words is "nine hundred twelve million, four hundred seventy-two thousand, one hundred seventy-two".

Divisors: 1 2 4 139 278 556 1641137 3282274 6564548 228118043 456236086 912472172