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390526130 = 25269145177
BaseRepresentation
bin10111010001101…
…111010010110010
31000012211210010202
4113101233102302
51244433314010
6102430155202
712451263101
oct2721572262
91005753122
10390526130
11190495075
12aa952b02
1362ba5367
1439c1a038
15244416a5
hex1746f4b2

390526130 has 16 divisors (see below), whose sum is σ = 705565080. Its totient is φ = 155628672.

The previous prime is 390526117. The next prime is 390526141. The reversal of 390526130 is 31625093.

It can be written as a sum of positive squares in 4 ways, for example, as 345997201 + 44528929 = 18601^2 + 6673^2 .

It is a junction number, because it is equal to n+sod(n) for n = 390526093 and 390526102.

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, 69899 + ... + 75278.

Almost surely, 2390526130 is an apocalyptic number.

390526130 is a deficient number, since it is larger than the sum of its proper divisors (315038950).

390526130 is a wasteful number, since it uses less digits than its factorization.

390526130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145453.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 390526130 is about 19761.7339826241. The cubic root of 390526130 is about 730.9427551872.

The spelling of 390526130 in words is "three hundred ninety million, five hundred twenty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 269 538 1345 2690 145177 290354 725885 1451770 39052613 78105226 195263065 390526130