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290430050 = 2525808601
BaseRepresentation
bin10001010011111…
…001110001100010
3202020111101010112
4101103321301202
51043322230200
644452531322
710124420561
oct2123716142
9666441115
10290430050
11139a38439
1281320b42
1348229c01
142a801bd8
151a76d535
hex114f9c62

290430050 has 12 divisors (see below), whose sum is σ = 540199986. Its totient is φ = 116172000.

The previous prime is 290430017. The next prime is 290430083. The reversal of 290430050 is 50034092.

It is an interprime number because it is at equal distance from previous prime (290430017) and next prime (290430083).

It can be written as a sum of positive squares in 3 ways, for example, as 173422561 + 117007489 = 13169^2 + 10817^2 .

It is a super-2 number, since 2×2904300502 = 168699227886005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 290429998 and 290430025.

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, 2904251 + ... + 2904350.

Almost surely, 2290430050 is an apocalyptic number.

290430050 is a deficient number, since it is larger than the sum of its proper divisors (249769936).

290430050 is a wasteful number, since it uses less digits than its factorization.

290430050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808613 (or 5808608 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 290430050 is about 17042.0083910319. The cubic root of 290430050 is about 662.2376224571.

The spelling of 290430050 in words is "two hundred ninety million, four hundred thirty thousand, fifty".

Divisors: 1 2 5 10 25 50 5808601 11617202 29043005 58086010 145215025 290430050