Search a number
-
+
390411434 = 27142319597
BaseRepresentation
bin10111010001010…
…011010010101010
31000012121221210202
4113101103102222
51244421131214
6102423512202
712450304520
oct2721232252
91005557722
10390411434
11190416986
12aa8b8662
1362b650aa
1439bca310
152441c6de
hex174534aa

390411434 has 16 divisors (see below), whose sum is σ = 669781248. Its totient is φ = 167193072.

The previous prime is 390411421. The next prime is 390411451. The reversal of 390411434 is 434114093.

It is a junction number, because it is equal to n+sod(n) for n = 390411397 and 390411406.

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, 10124 + ... + 29720.

It is an arithmetic number, because the mean of its divisors is an integer number (41861328).

Almost surely, 2390411434 is an apocalyptic number.

390411434 is a deficient number, since it is larger than the sum of its proper divisors (279369814).

390411434 is a wasteful number, since it uses less digits than its factorization.

390411434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 390411434 is about 19758.8317974520. The cubic root of 390411434 is about 730.8711898359.

The spelling of 390411434 in words is "three hundred ninety million, four hundred eleven thousand, four hundred thirty-four".

Divisors: 1 2 7 14 1423 2846 9961 19597 19922 39194 137179 274358 27886531 55773062 195205717 390411434