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290102525 = 5211604101
BaseRepresentation
bin10001010010101…
…001110011111101
3202012212201211222
4101102221303331
51043231240100
644441523125
710121554646
oct2122516375
9665781758
10290102525
11139834359
12811a34a5
1348143acb
142a7586cd
151a706485
hex114a9cfd

290102525 has 6 divisors (see below), whose sum is σ = 359727162. Its totient is φ = 232082000.

The previous prime is 290102497. The next prime is 290102567. The reversal of 290102525 is 525201092.

It can be written as a sum of positive squares in 3 ways, for example, as 26429881 + 263672644 = 5141^2 + 16238^2 .

It is not a de Polignac number, because 290102525 - 28 = 290102269 is a prime.

It is a super-2 number, since 2×2901025252 = 168318950022751250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290102494 and 290102503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5802026 + ... + 5802075.

It is an arithmetic number, because the mean of its divisors is an integer number (59954527).

Almost surely, 2290102525 is an apocalyptic number.

290102525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290102525 is a deficient number, since it is larger than the sum of its proper divisors (69624637).

290102525 is a wasteful number, since it uses less digits than its factorization.

290102525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604111 (or 11604106 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 290102525 is about 17032.3963375680. The cubic root of 290102525 is about 661.9885883521.

The spelling of 290102525 in words is "two hundred ninety million, one hundred two thousand, five hundred twenty-five".

Divisors: 1 5 25 11604101 58020505 290102525