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390129014 = 211191277349
BaseRepresentation
bin10111010000001…
…110010101110110
31000012002121101202
4113100032111312
51244333112024
6102413452502
712445020242
oct2720162566
91005077352
10390129014
11190243780
12aa7a1132
1362a96692
1439b55422
15243b3bae
hex1740e576

390129014 has 32 divisors (see below), whose sum is σ = 677376000. Its totient is φ = 166652640.

The previous prime is 390129011. The next prime is 390129023. The reversal of 390129014 is 410921093.

It is a happy number.

It is a super-2 number, since 2×3901290142 = 304401295129224392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390129011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49412 + ... + 56760.

It is an arithmetic number, because the mean of its divisors is an integer number (21168000).

Almost surely, 2390129014 is an apocalyptic number.

390129014 is a deficient number, since it is larger than the sum of its proper divisors (287246986).

390129014 is a wasteful number, since it uses less digits than its factorization.

390129014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 390129014 is about 19751.6838269551. The cubic root of 390129014 is about 730.6949121830.

The spelling of 390129014 in words is "three hundred ninety million, one hundred twenty-nine thousand, fourteen".

Divisors: 1 2 11 19 22 38 127 209 254 418 1397 2413 2794 4826 7349 14698 26543 53086 80839 139631 161678 279262 933323 1535941 1866646 3071882 10266553 17733137 20533106 35466274 195064507 390129014