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290825602 = 2145412801
BaseRepresentation
bin10001010101011…
…010010110000010
3202021020110201121
4101111122112002
51043422404402
644505222454
710130656024
oct2125322602
9667213647
10290825602
1113a188641
1281491a2a
1348337c72
142a8a6014
151a7ea837
hex1155a582

290825602 has 4 divisors (see below), whose sum is σ = 436238406. Its totient is φ = 145412800.

The previous prime is 290825599. The next prime is 290825603. The reversal of 290825602 is 206528092.

290825602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 279190681 + 11634921 = 16709^2 + 3411^2 .

It is not an unprimeable number, because it can be changed into a prime (290825603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72706399 + ... + 72706402.

Almost surely, 2290825602 is an apocalyptic number.

290825602 is a deficient number, since it is larger than the sum of its proper divisors (145412804).

290825602 is a wasteful number, since it uses less digits than its factorization.

290825602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145412803.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 290825602 is about 17053.6096472272. The cubic root of 290825602 is about 662.5381315183.

The spelling of 290825602 in words is "two hundred ninety million, eight hundred twenty-five thousand, six hundred two".

Divisors: 1 2 145412801 290825602