Search a number
-
+
49578630 = 2351797213
BaseRepresentation
bin1011110100100…
…0001010000110
310110021212002120
42331020022012
5100143004010
64530350410
71141261053
oct275101206
9113255076
1049578630
1125a93182
121472b406
13a36b68a
14682802a
154544e70
hex2f48286

49578630 has 32 divisors (see below), whose sum is σ = 125989344. Its totient is φ = 12443136.

The previous prime is 49578629. The next prime is 49578649. The reversal of 49578630 is 3687594.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48097 + ... + 49116.

It is an arithmetic number, because the mean of its divisors is an integer number (3937167).

Almost surely, 249578630 is an apocalyptic number.

49578630 is an abundant number, since it is smaller than the sum of its proper divisors (76410714).

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

49578630 is a wasteful number, since it uses less digits than its factorization.

49578630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97240.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 49578630 is about 7041.2094131619. The cubic root of 49578630 is about 367.3653354537.

The spelling of 49578630 in words is "forty-nine million, five hundred seventy-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 97213 194426 291639 486065 583278 972130 1458195 1652621 2916390 3305242 4957863 8263105 9915726 16526210 24789315 49578630