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172411372 = 2276157549
BaseRepresentation
bin10100100011011…
…00100111101100
3110000102101221101
422101230213230
5323114130442
625035212444
74162321030
oct1221544754
9400371841
10172411372
118935a241
12498a7124
1329947a83
1418c801c0
1510209cb7
hexa46c9ec

172411372 has 12 divisors (see below), whose sum is σ = 344822800. Its totient is φ = 73890576.

The previous prime is 172411363. The next prime is 172411373. The reversal of 172411372 is 273114271.

172411372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

172411372 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 6157549 = 172411372 / (1 + 7 + 2 + 4 + 1 + 1 + 3 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 172411372.

It is not an unprimeable number, because it can be changed into a prime (172411373) 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, 3078747 + ... + 3078802.

Almost surely, 2172411372 is an apocalyptic number.

It is an amenable number.

172411372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172411372 is a wasteful number, since it uses less digits than its factorization.

172411372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157560 (or 6157558 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 172411372 is about 13130.5510927760. The cubic root of 172411372 is about 556.5727884207.

The spelling of 172411372 in words is "one hundred seventy-two million, four hundred eleven thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 6157549 12315098 24630196 43102843 86205686 172411372