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172054364 = 2259971809
BaseRepresentation
bin10100100000101…
…01011101011100
3102222202021012212
422100111131130
5323021214424
625023415552
74156303136
oct1220253534
9388667185
10172054364
1189135a99
12497545b8
1329851421
1418bca056
151018910e
hexa41575c

172054364 has 12 divisors (see below), whose sum is σ = 301602000. Its totient is φ = 85882368.

The previous prime is 172054319. The next prime is 172054369. The reversal of 172054364 is 463450271.

It is a self number, because there is not a number n which added to its sum of digits gives 172054364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172054369) 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 3 ways as a sum of consecutive naturals, for example, 33509 + ... + 38300.

It is an arithmetic number, because the mean of its divisors is an integer number (25133500).

Almost surely, 2172054364 is an apocalyptic number.

It is an amenable number.

172054364 is a deficient number, since it is larger than the sum of its proper divisors (129547636).

172054364 is a wasteful number, since it uses less digits than its factorization.

172054364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72412 (or 72410 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 172054364 is about 13116.9494929271. The cubic root of 172054364 is about 556.1883624166.

The spelling of 172054364 in words is "one hundred seventy-two million, fifty-four thousand, three hundred sixty-four".

Divisors: 1 2 4 599 1198 2396 71809 143618 287236 43013591 86027182 172054364