Search a number
-
+
507087880 = 23513275013
BaseRepresentation
bin11110001110011…
…000110000001000
31022100011201210121
4132032120300020
52014303303010
6122152353024
715365114215
oct3616306010
91270151717
10507087880
112402686a2
121219a5774
1381097300
144b4bcb0c
152e7b83da
hex1e398c08

507087880 has 48 divisors (see below), whose sum is σ = 1235480580. Its totient is φ = 187229952.

The previous prime is 507087871. The next prime is 507087899. The reversal of 507087880 is 88780705.

It can be written as a sum of positive squares in 6 ways, for example, as 178970884 + 328116996 = 13378^2 + 18114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30747 + ... + 44266.

Almost surely, 2507087880 is an apocalyptic number.

It is an amenable number.

507087880 is an abundant number, since it is smaller than the sum of its proper divisors (728392700).

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

507087880 is a wasteful number, since it uses less digits than its factorization.

507087880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75050 (or 75033 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 507087880 is about 22518.6118577500. The cubic root of 507087880 is about 797.4333785406.

The spelling of 507087880 in words is "five hundred seven million, eighty-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 260 338 520 676 845 1352 1690 3380 6760 75013 150026 300052 375065 600104 750130 975169 1500260 1950338 3000520 3900676 4875845 7801352 9751690 12677197 19503380 25354394 39006760 50708788 63385985 101417576 126771970 253543940 507087880