Search a number
-
+
390433473 = 3371203669
BaseRepresentation
bin10111010001011…
…000101011000001
31000012200002001000
4113101120223001
51244422332343
6102424202213
712450426003
oct2721305301
91005602030
10390433473
111904314a1
12aa909369
1362b72131
1439bd4373
1524423ed3
hex17458ac1

390433473 has 16 divisors (see below), whose sum is σ = 586569600. Its totient is φ = 256621680.

The previous prime is 390433469. The next prime is 390433501. The reversal of 390433473 is 374334093.

It is not a de Polignac number, because 390433473 - 22 = 390433469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390433453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99918 + ... + 103751.

It is an arithmetic number, because the mean of its divisors is an integer number (36660600).

Almost surely, 2390433473 is an apocalyptic number.

It is an amenable number.

390433473 is a deficient number, since it is larger than the sum of its proper divisors (196136127).

390433473 is a wasteful number, since it uses less digits than its factorization.

390433473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203749 (or 203743 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The square root of 390433473 is about 19759.3894895566. The cubic root of 390433473 is about 730.8849423080.

The spelling of 390433473 in words is "three hundred ninety million, four hundred thirty-three thousand, four hundred seventy-three".

Divisors: 1 3 9 27 71 213 639 1917 203669 611007 1833021 5499063 14460499 43381497 130144491 390433473