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390800129 = 5919733623
BaseRepresentation
bin10111010010110…
…010001100000001
31000020100200222212
4113102302030001
51300021101004
6102440111505
712453513656
oct2722621401
91006320885
10390800129
11190661a15
12aaa65595
1362c6cca5
1439c8bc2d
152449796e
hex174b2301

390800129 has 8 divisors (see below), whose sum is σ = 399453120. Its totient is φ = 382214896.

The previous prime is 390800119. The next prime is 390800149. The reversal of 390800129 is 921008093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390800129 - 212 = 390796033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390800095 and 390800104.

It is not an unprimeable number, because it can be changed into a prime (390800119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (49931640).

Almost surely, 2390800129 is an apocalyptic number.

It is an amenable number.

390800129 is a deficient number, since it is larger than the sum of its proper divisors (8652991).

390800129 is a wasteful number, since it uses less digits than its factorization.

390800129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33879.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 390800129 is about 19768.6653317820. The cubic root of 390800129 is about 731.1136620294.

The spelling of 390800129 in words is "three hundred ninety million, eight hundred thousand, one hundred twenty-nine".

Divisors: 1 59 197 11623 33623 1983757 6623731 390800129