Search a number
-
+
520970464 = 2572325761
BaseRepresentation
bin11111000011010…
…110000011100000
31100022022001010101
4133003112003200
52031332023324
6123410112144
715624114220
oct3703260340
91308261111
10520970464
1124808a903
1212657b654
1383c18161
144d294080
1530b0b944
hex1f0d60e0

520970464 has 24 divisors (see below), whose sum is σ = 1172184048. Its totient is φ = 223272960.

The previous prime is 520970441. The next prime is 520970503. The reversal of 520970464 is 464079025.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1162657 + ... + 1163104.

It is an arithmetic number, because the mean of its divisors is an integer number (48841002).

Almost surely, 2520970464 is an apocalyptic number.

It is an amenable number.

520970464 is an abundant number, since it is smaller than the sum of its proper divisors (651213584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520970464 is a wasteful number, since it uses less digits than its factorization.

520970464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325778 (or 2325770 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 520970464 is about 22824.7774140297. Note that the first 3 decimals coincide. The cubic root of 520970464 is about 804.6450933500.

The spelling of 520970464 in words is "five hundred twenty million, nine hundred seventy thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 2325761 4651522 9303044 16280327 18606088 32560654 37212176 65121308 74424352 130242616 260485232 520970464