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172075310 = 25112142211
BaseRepresentation
bin10100100000110…
…10100100101110
3102222210022221122
422100122210232
5323022402220
625024100542
74156421201
oct1220324456
9388708848
10172075310
118914a800
1249764752
132985ab14
1418bd3938
1510190425
hexa41a92e

172075310 has 24 divisors (see below), whose sum is σ = 340455528. Its totient is φ = 62572400.

The previous prime is 172075301. The next prime is 172075331. The reversal of 172075310 is 13570271.

It is a super-2 number, since 2×1720753102 = 59219824623192200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 172075310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69896 + ... + 72315.

It is an arithmetic number, because the mean of its divisors is an integer number (14185647).

Almost surely, 2172075310 is an apocalyptic number.

172075310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172075310 is a deficient number, since it is larger than the sum of its proper divisors (168380218).

172075310 is a wasteful number, since it uses less digits than its factorization.

172075310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142240 (or 142229 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 172075310 is about 13117.7479012215. The cubic root of 172075310 is about 556.2109317341.

The spelling of 172075310 in words is "one hundred seventy-two million, seventy-five thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 142211 284422 711055 1422110 1564321 3128642 7821605 15643210 17207531 34415062 86037655 172075310