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745012120 = 23518625303
BaseRepresentation
bin101100011001111…
…111101110011000
31220220212112111111
4230121333232120
53011210341440
6201532110104
724314332666
oct5431775630
91826775444
10745012120
113525a36a6
12189605334
13bb46c398
1470d33c36
15456144ea
hex2c67fb98

745012120 has 16 divisors (see below), whose sum is σ = 1676277360. Its totient is φ = 298004832.

The previous prime is 745012091. The next prime is 745012127. The reversal of 745012120 is 21210547.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 745012091 and 745012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745012127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9312612 + ... + 9312691.

It is an arithmetic number, because the mean of its divisors is an integer number (104767335).

Almost surely, 2745012120 is an apocalyptic number.

It is an amenable number.

745012120 is an abundant number, since it is smaller than the sum of its proper divisors (931265240).

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

745012120 is a wasteful number, since it uses less digits than its factorization.

745012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625314 (or 18625310 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 745012120 is about 27294.9101482309. The cubic root of 745012120 is about 906.5416860839.

Adding to 745012120 its reverse (21210547), we get a palindrome (766222667).

The spelling of 745012120 in words is "seven hundred forty-five million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 18625303 37250606 74501212 93126515 149002424 186253030 372506060 745012120