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390334411 = 1831213181
BaseRepresentation
bin10111010001000…
…000011111001011
31000012111001011001
4113101000133023
51244411200121
6102422115431
712446534125
oct2721003713
91005431131
10390334411
11190374025
12aa87bb77
1362b3900c
1439baa215
1524404991
hex174407cb

390334411 has 4 divisors (see below), whose sum is σ = 390549424. Its totient is φ = 390119400.

The previous prime is 390334387. The next prime is 390334447. The reversal of 390334411 is 114433093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 390334411 - 213 = 390326219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390334411.

It is not an unprimeable number, because it can be changed into a prime (390334471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104760 + ... + 108421.

It is an arithmetic number, because the mean of its divisors is an integer number (97637356).

Almost surely, 2390334411 is an apocalyptic number.

390334411 is a deficient number, since it is larger than the sum of its proper divisors (215013).

390334411 is a wasteful number, since it uses less digits than its factorization.

390334411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215012.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 390334411 is about 19756.8826235315. The cubic root of 390334411 is about 730.8231229428.

The spelling of 390334411 in words is "three hundred ninety million, three hundred thirty-four thousand, four hundred eleven".

Divisors: 1 1831 213181 390334411