Search a number
-
+
18960426 = 2333111129
BaseRepresentation
bin100100001010…
…1000000101010
31022200021211000
41020111000222
514323213201
61514215430
7320106132
oct110250052
938607730
1018960426
11a780281
126424576
133c0b1b4
142737ac2
1519e7d86
hex121502a

18960426 has 32 divisors (see below), whose sum is σ = 42307200. Its totient is φ = 6294240.

The previous prime is 18960421. The next prime is 18960433. The reversal of 18960426 is 62406981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18960421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16230 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (1322100).

Almost surely, 218960426 is an apocalyptic number.

18960426 is an abundant number, since it is smaller than the sum of its proper divisors (23346774).

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

18960426 is a wasteful number, since it uses less digits than its factorization.

18960426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 18960426 is about 4354.3571282108. The cubic root of 18960426 is about 266.6547741224.

The spelling of 18960426 in words is "eighteen million, nine hundred sixty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 27 54 311 622 933 1129 1866 2258 2799 3387 5598 6774 8397 10161 16794 20322 30483 60966 351119 702238 1053357 2106714 3160071 6320142 9480213 18960426