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425039312 = 2429916033
BaseRepresentation
bin11001010101011…
…001010111010000
31002121210020022202
4121111121113100
51332302224222
6110102022332
713350526445
oct3125312720
91077706282
10425039312
111a8a18365
12ba4179a8
136a09a669
14406419cc
15274ac892
hex195595d0

425039312 has 20 divisors (see below), whose sum is σ = 851911620. Its totient is φ = 205191168.

The previous prime is 425039311. The next prime is 425039317. The reversal of 425039312 is 213930524.

It can be written as a sum of positive squares in 2 ways, for example, as 145347136 + 279692176 = 12056^2 + 16724^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425039311) 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, 457553 + ... + 458480.

It is an arithmetic number, because the mean of its divisors is an integer number (42595581).

Almost surely, 2425039312 is an apocalyptic number.

It is an amenable number.

425039312 is an abundant number, since it is smaller than the sum of its proper divisors (426872308).

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

425039312 is a wasteful number, since it uses less digits than its factorization.

425039312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916070 (or 916064 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 425039312 is about 20616.4815620901. The cubic root of 425039312 is about 751.8704790513.

Adding to 425039312 its reverse (213930524), we get a palindrome (638969836).

It can be divided in two parts, 42503 and 9312, that added together give a palindrome (51815).

The spelling of 425039312 in words is "four hundred twenty-five million, thirty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 58 116 232 464 916033 1832066 3664132 7328264 14656528 26564957 53129914 106259828 212519656 425039312