Search a number
-
+
512997430 = 25114663613
BaseRepresentation
bin11110100100111…
…011100000110110
31022202021222011211
4132210323200312
52022311404210
6122523152034
715466256221
oct3644734066
91282258154
10512997430
11243634620
1212397561a
138238609a
144c1ba5b8
153008438a
hex1e93b836

512997430 has 16 divisors (see below), whose sum is σ = 1007340624. Its totient is φ = 186544480.

The previous prime is 512997413. The next prime is 512997553. The reversal of 512997430 is 34799215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331697 + ... + 2331916.

It is an arithmetic number, because the mean of its divisors is an integer number (62958789).

Almost surely, 2512997430 is an apocalyptic number.

512997430 is a deficient number, since it is larger than the sum of its proper divisors (494343194).

512997430 is a wasteful number, since it uses less digits than its factorization.

512997430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663631.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 512997430 is about 22649.4465716052. The cubic root of 512997430 is about 800.5191578127.

The spelling of 512997430 in words is "five hundred twelve million, nine hundred ninety-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 4663613 9327226 23318065 46636130 51299743 102599486 256498715 512997430