Search a number
-
+
520357342 = 21391871789
BaseRepresentation
bin11111000001000…
…000010111011110
31100021010220002011
4133001000113132
52031202413332
6123345021434
715615651541
oct3701002736
91307126064
10520357342
1124780119a
1212632487a
1383a6206b
144d174858
1530a39e47
hex1f0405de

520357342 has 8 divisors (see below), whose sum is σ = 786151800. Its totient is φ = 258306744.

The previous prime is 520357333. The next prime is 520357349. The reversal of 520357342 is 243753025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520357349) 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, 935617 + ... + 936172.

It is an arithmetic number, because the mean of its divisors is an integer number (98268975).

Almost surely, 2520357342 is an apocalyptic number.

520357342 is a deficient number, since it is larger than the sum of its proper divisors (265794458).

520357342 is a wasteful number, since it uses less digits than its factorization.

520357342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871930.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 520357342 is about 22811.3423980265. The cubic root of 520357342 is about 804.3293113581.

The spelling of 520357342 in words is "five hundred twenty million, three hundred fifty-seven thousand, three hundred forty-two".

Divisors: 1 2 139 278 1871789 3743578 260178671 520357342