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172228014 = 23271366889
BaseRepresentation
bin10100100001111…
…11110110101110
3110000002002102100
422100333312232
5323042244024
625031235530
74160625330
oct1220776656
9400062370
10172228014
1189244502
1249818ba6
13298b248a
1418c33450
15101c07c9
hexa43fdae

172228014 has 24 divisors (see below), whose sum is σ = 426469680. Its totient is φ = 49207968.

The previous prime is 172228009. The next prime is 172228019. The reversal of 172228014 is 410822271.

It is an interprime number because it is at equal distance from previous prime (172228009) and next prime (172228019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172228019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683319 + ... + 683570.

It is an arithmetic number, because the mean of its divisors is an integer number (17769570).

Almost surely, 2172228014 is an apocalyptic number.

172228014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172228014 is an abundant number, since it is smaller than the sum of its proper divisors (254241666).

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

172228014 is a wasteful number, since it uses less digits than its factorization.

172228014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366904 (or 1366901 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 172228014 is about 13123.5671217851. The cubic root of 172228014 is about 556.3754149901.

The spelling of 172228014 in words is "one hundred seventy-two million, two hundred twenty-eight thousand, fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1366889 2733778 4100667 8201334 9568223 12302001 19136446 24604002 28704669 57409338 86114007 172228014