Search a number
-
+
49690630 = 25112937421
BaseRepresentation
bin1011110110001…
…1100000000110
310110111112201201
42331203200012
5100210100010
64533013114
71142235433
oct275434006
9113445651
1049690630
112605a340
121478419a
13a3aa652
146856b8a
15456823a
hex2f63806

49690630 has 64 divisors (see below), whose sum is σ = 103913280. Its totient is φ = 16934400.

The previous prime is 49690621. The next prime is 49690631. The reversal of 49690630 is 3609694.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 49690630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49690631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117820 + ... + 118240.

It is an arithmetic number, because the mean of its divisors is an integer number (1623645).

Almost surely, 249690630 is an apocalyptic number.

49690630 is an abundant number, since it is smaller than the sum of its proper divisors (54222650).

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

49690630 is a wasteful number, since it uses less digits than its factorization.

49690630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 49690630 is about 7049.1581057599. The cubic root of 49690630 is about 367.6417581366.

The spelling of 49690630 in words is "forty-nine million, six hundred ninety thousand, six hundred thirty".

Divisors: 1 2 5 10 11 22 29 37 55 58 74 110 145 185 290 319 370 407 421 638 814 842 1073 1595 2035 2105 2146 3190 4070 4210 4631 5365 9262 10730 11803 12209 15577 23155 23606 24418 31154 46310 59015 61045 77885 118030 122090 134299 155770 171347 268598 342694 451733 671495 856735 903466 1342990 1713470 2258665 4517330 4969063 9938126 24845315 49690630