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745168130 = 25725034253
BaseRepresentation
bin101100011010100…
…101110100000010
31220221011110111122
4230122211310002
53011230340010
6201535312242
724315552560
oct5432456402
91827143448
10745168130
1135269a933
1218967b682
13bb4c53b5
1470d74a30
1545645855
hex2c6a5d02

745168130 has 32 divisors (see below), whose sum is σ = 1533890304. Its totient is φ = 255324096.

The previous prime is 745168117. The next prime is 745168141. The reversal of 745168130 is 31861547.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 173084 + ... + 177336.

It is an arithmetic number, because the mean of its divisors is an integer number (47934072).

Almost surely, 2745168130 is an apocalyptic number.

745168130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

745168130 is an abundant number, since it is smaller than the sum of its proper divisors (788722174).

745168130 is a wasteful number, since it uses less digits than its factorization.

745168130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 745168130 is about 27297.7678574641. The cubic root of 745168130 is about 906.6049600870.

The spelling of 745168130 in words is "seven hundred forty-five million, one hundred sixty-eight thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2503 4253 5006 8506 12515 17521 21265 25030 29771 35042 42530 59542 87605 148855 175210 297710 10645259 21290518 53226295 74516813 106452590 149033626 372584065 745168130