Search a number
-
+
390517401 = 35919911087
BaseRepresentation
bin10111010001101…
…101001010011001
31000012211100011110
4113101231022121
51244433024101
6102430050533
712451225461
oct2721551231
91005740143
10390517401
1119048955a
12aa949a49
1362ba13b1
1439c16ba1
152443dcd6
hex1746d299

390517401 has 16 divisors (see below), whose sum is σ = 532224000. Its totient is φ = 254623248.

The previous prime is 390517373. The next prime is 390517403. The reversal of 390517401 is 104715093.

It is not a de Polignac number, because 390517401 - 213 = 390509209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390517403) 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, 29680 + ... + 40766.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2390517401 is an apocalyptic number.

It is an amenable number.

390517401 is a deficient number, since it is larger than the sum of its proper divisors (141706599).

390517401 is a wasteful number, since it uses less digits than its factorization.

390517401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 390517401 is about 19761.5131252645. The cubic root of 390517401 is about 730.9373091608.

The spelling of 390517401 in words is "three hundred ninety million, five hundred seventeen thousand, four hundred one".

Divisors: 1 3 59 177 199 597 11087 11741 33261 35223 654133 1962399 2206313 6618939 130172467 390517401