Search a number
-
+
49491468 = 223213105751
BaseRepresentation
bin1011110011001…
…0111000001100
310110010102112100
42330302320030
5100132211333
64524435100
71140445665
oct274627014
9113112470
1049491468
1125a33744
12146a8a90
13a33aac0
14680436c
154529213
hex2f32e0c

49491468 has 36 divisors (see below), whose sum is σ = 134728048. Its totient is φ = 15228000.

The previous prime is 49491443. The next prime is 49491479. The reversal of 49491468 is 86419494.

49491468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52408 + ... + 53343.

Almost surely, 249491468 is an apocalyptic number.

It is an amenable number.

49491468 is an abundant number, since it is smaller than the sum of its proper divisors (85236580).

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

49491468 is a wasteful number, since it uses less digits than its factorization.

49491468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105774 (or 105769 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49491468 is about 7035.0172707677. The cubic root of 49491468 is about 367.1499262461.

The spelling of 49491468 in words is "forty-nine million, four hundred ninety-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 105751 211502 317253 423004 634506 951759 1269012 1374763 1903518 2749526 3807036 4124289 5499052 8248578 12372867 16497156 24745734 49491468