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290037625 = 532320301
BaseRepresentation
bin10001010010011…
…001111101111001
3202012202102211021
4101102121331321
51043222201000
644440302441
710121164513
oct2122317571
9665672737
10290037625
1113979a619
1281171a21
13481203c7
142a73cbb3
151a6e211a
hex11499f79

290037625 has 8 divisors (see below), whose sum is σ = 361967112. Its totient is φ = 232030000.

The previous prime is 290037619. The next prime is 290037637. The reversal of 290037625 is 526730092.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44049769 + 245987856 = 6637^2 + 15684^2 .

It is not a de Polignac number, because 290037625 - 23 = 290037617 is a prime.

It is a Duffinian number.

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, 1160026 + ... + 1160275.

It is an arithmetic number, because the mean of its divisors is an integer number (45245889).

Almost surely, 2290037625 is an apocalyptic number.

290037625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290037625 is a deficient number, since it is larger than the sum of its proper divisors (71929487).

290037625 is an equidigital number, since it uses as much as digits as its factorization.

290037625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320316 (or 2320306 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 290037625 is about 17030.4910381351. The cubic root of 290037625 is about 661.9392192959.

The spelling of 290037625 in words is "two hundred ninety million, thirty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 125 2320301 11601505 58007525 290037625