Search a number
-
+
18942914 = 212597523
BaseRepresentation
bin100100001000…
…0101111000010
31022122101210102
41020100233002
514322133124
61514002402
7320004104
oct110205702
938571712
1018942914
11a769101
126416402
133c03233
142731574
1519e2aae
hex1210bc2

18942914 has 8 divisors (see below), whose sum is σ = 28440720. Its totient is φ = 9462676.

The previous prime is 18942907. The next prime is 18942941. The reversal of 18942914 is 41924981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×189429142 = 717667981622792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (3555090).

Almost surely, 218942914 is an apocalyptic number.

18942914 is a deficient number, since it is larger than the sum of its proper divisors (9497806).

18942914 is a wasteful number, since it uses less digits than its factorization.

18942914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784.

The product of its digits is 20736, while the sum is 38.

The square root of 18942914 is about 4352.3458042761. The cubic root of 18942914 is about 266.5726540128.

The spelling of 18942914 in words is "eighteen million, nine hundred forty-two thousand, nine hundred fourteen".

Divisors: 1 2 1259 2518 7523 15046 9471457 18942914