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172107054 = 232719293767
BaseRepresentation
bin10100100001000…
…10010100101110
3102222211221111100
422100202110232
5323024411204
625024503530
74156612560
oct1220422456
9388757440
10172107054
1189171639
124977aba6
132986c3c2
1418c01330
1510199a39
hexa42252e

172107054 has 192 divisors, whose sum is σ = 483724800. Its totient is φ = 43110144.

The previous prime is 172107041. The next prime is 172107079. The reversal of 172107054 is 450701271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2568729 + ... + 2568795.

It is an arithmetic number, because the mean of its divisors is an integer number (2519400).

Almost surely, 2172107054 is an apocalyptic number.

172107054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 172107054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241862400).

172107054 is an abundant number, since it is smaller than the sum of its proper divisors (311617746).

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

172107054 is a wasteful number, since it uses less digits than its factorization.

172107054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 172107054 is about 13118.9578092164. The cubic root of 172107054 is about 556.2451324070.

The spelling of 172107054 in words is "one hundred seventy-two million, one hundred seven thousand, fifty-four".