Search a number
-
+
49772620 = 22515116481
BaseRepresentation
bin1011110111011…
…1100001001100
310110122201012101
42331313201030
5100220210440
64534444444
71143026452
oct275674114
9113581171
1049772620
11261059a7
1214803724
13a408a71
1468789d2
15458269a
hex2f7784c

49772620 has 24 divisors (see below), whose sum is σ = 105221088. Its totient is φ = 19776000.

The previous prime is 49772603. The next prime is 49772663. The reversal of 49772620 is 2627794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49772620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5221 + ... + 11260.

It is an arithmetic number, because the mean of its divisors is an integer number (4384212).

Almost surely, 249772620 is an apocalyptic number.

It is an amenable number.

49772620 is an abundant number, since it is smaller than the sum of its proper divisors (55448468).

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

49772620 is a wasteful number, since it uses less digits than its factorization.

49772620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16641 (or 16639 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 49772620 is about 7054.9712968941. The cubic root of 49772620 is about 367.8438511282.

The spelling of 49772620 in words is "forty-nine million, seven hundred seventy-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 16481 32962 65924 82405 164810 329620 2488631 4977262 9954524 12443155 24886310 49772620