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425144524 = 22729523577
BaseRepresentation
bin11001010101110…
…011000011001100
31002121222120122111
4121111303003030
51332314111044
6110104153404
713351445260
oct3125630314
91077876574
10425144524
111a8a8a412
12ba468864
136a10650c
144066c0a0
15274cdb34
hex195730cc

425144524 has 24 divisors (see below), whose sum is σ = 879611040. Its totient is φ = 175921536.

The previous prime is 425144519. The next prime is 425144549. The reversal of 425144524 is 425441524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260977 + ... + 262600.

It is an arithmetic number, because the mean of its divisors is an integer number (36650460).

Almost surely, 2425144524 is an apocalyptic number.

It is an amenable number.

425144524 is an abundant number, since it is smaller than the sum of its proper divisors (454466516).

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

425144524 is a wasteful number, since it uses less digits than its factorization.

425144524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523617 (or 523615 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 425144524 is about 20619.0330520129. The cubic root of 425144524 is about 751.9325119569.

The spelling of 425144524 in words is "four hundred twenty-five million, one hundred forty-four thousand, five hundred twenty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 523577 1047154 2094308 3665039 7330078 14660156 15183733 30367466 60734932 106286131 212572262 425144524