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925015140 = 223457243271
BaseRepresentation
bin110111001000101…
…001110001100100
32101110120122020000
4313020221301210
53343300441030
6231442141300
731631333100
oct6710516144
92343518200
10925015140
11435168625
12219951830
1311984474a
148abcc900
155631d860
hex37229c64

925015140 has 360 divisors, whose sum is σ = 3466818432. Its totient is φ = 205752960.

The previous prime is 925015139. The next prime is 925015153. The reversal of 925015140 is 41510529.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3413205 + ... + 3413475.

Almost surely, 2925015140 is an apocalyptic number.

925015140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 925015140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733409216).

925015140 is an abundant number, since it is smaller than the sum of its proper divisors (2541803292).

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

925015140 is a wasteful number, since it uses less digits than its factorization.

925015140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 925015140 is about 30414.0615505394. The cubic root of 925015140 is about 974.3528960583.

Adding to 925015140 its reverse (41510529), we get a palindrome (966525669).

The spelling of 925015140 in words is "nine hundred twenty-five million, fifteen thousand, one hundred forty".