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9007890425 = 521372630041
BaseRepresentation
bin10000110001110100…
…10111111111111001
3212020202221020122022
420120322113333321
5121422004443200
64045502204225
7436136543132
oct103072277771
925222836568
109007890425
1139027a0446
1218b4883675
13b072b38a1
146164aac89
1537ac39885
hex218e97ff9

9007890425 has 12 divisors (see below), whose sum is σ = 11251319676. Its totient is φ = 7153708800.

The previous prime is 9007890403. The next prime is 9007890427. The reversal of 9007890425 is 5240987009.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1278491536 + 7729398889 = 35756^2 + 87917^2 .

It is not a de Polignac number, because 9007890425 - 214 = 9007874041 is a prime.

It is a super-2 number, since 2×90078904252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9007890427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1311596 + ... + 1318445.

It is an arithmetic number, because the mean of its divisors is an integer number (937609973).

Almost surely, 29007890425 is an apocalyptic number.

It is an amenable number.

9007890425 is a deficient number, since it is larger than the sum of its proper divisors (2243429251).

9007890425 is a wasteful number, since it uses less digits than its factorization.

9007890425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630188 (or 2630183 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 9007890425 is about 94909.9068854248. The cubic root of 9007890425 is about 2080.6915249522.

The spelling of 9007890425 in words is "nine billion, seven million, eight hundred ninety thousand, four hundred twenty-five".

Divisors: 1 5 25 137 685 3425 2630041 13150205 65751025 360315617 1801578085 9007890425