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172234245 = 3528574019
BaseRepresentation
bin10100100010000…
…01011000000101
3110000002101222010
422101001120011
5323042443440
625031324433
74160652441
oct1221013005
9400071863
10172234245
1189249157
1249820719
13298b5271
1418c35821
15101c2580
hexa441605

172234245 has 16 divisors (see below), whose sum is σ = 275739840. Its totient is φ = 91803264.

The previous prime is 172234243. The next prime is 172234247. The reversal of 172234245 is 542432271.

It is an interprime number because it is at equal distance from previous prime (172234243) and next prime (172234247).

It is not a de Polignac number, because 172234245 - 21 = 172234243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172234241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40846 + ... + 44864.

It is an arithmetic number, because the mean of its divisors is an integer number (17233740).

Almost surely, 2172234245 is an apocalyptic number.

172234245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172234245 is a deficient number, since it is larger than the sum of its proper divisors (103505595).

172234245 is a wasteful number, since it uses less digits than its factorization.

172234245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884.

The product of its digits is 13440, while the sum is 30.

The square root of 172234245 is about 13123.8045169836. The cubic root of 172234245 is about 556.3821245711.

The spelling of 172234245 in words is "one hundred seventy-two million, two hundred thirty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 2857 4019 8571 12057 14285 20095 42855 60285 11482283 34446849 57411415 172234245