Search a number
-
+
507988475 = 52173138557
BaseRepresentation
bin11110010001110…
…100100111111011
31022101212111011222
4132101310213323
52020021112400
6122223542255
715405554651
oct3621644773
91271774158
10507988475
11240823295
1212215a98b
13813211c7
144b674dd1
152e8e5185
hex1e4749fb

507988475 has 24 divisors (see below), whose sum is σ = 688491648. Its totient is φ = 370137600.

The previous prime is 507988471. The next prime is 507988501. The reversal of 507988475 is 574889705.

It is not a de Polignac number, because 507988475 - 22 = 507988471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (507988471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6104 + ... + 32453.

It is an arithmetic number, because the mean of its divisors is an integer number (28687152).

Almost surely, 2507988475 is an apocalyptic number.

507988475 is a deficient number, since it is larger than the sum of its proper divisors (180503173).

507988475 is a wasteful number, since it uses less digits than its factorization.

507988475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38615 (or 38610 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 507988475 is about 22538.5996681249. The cubic root of 507988475 is about 797.9051835303.

The spelling of 507988475 in words is "five hundred seven million, nine hundred eighty-eight thousand, four hundred seventy-five".

Divisors: 1 5 17 25 31 85 155 425 527 775 2635 13175 38557 192785 655469 963925 1195267 3277345 5976335 16386725 20319539 29881675 101597695 507988475