Search a number
-
+
49957272 = 2332693851
BaseRepresentation
bin1011111010010…
…0100110011000
310111000002111100
42332210212120
5100242113042
64542431400
71144426011
oct276444630
9114002440
1049957272
1126221702
1214892560
13a471b21
1468c6008
1545bc24c
hex2fa4998

49957272 has 24 divisors (see below), whose sum is σ = 135301140. Its totient is φ = 16652400.

The previous prime is 49957253. The next prime is 49957279. The reversal of 49957272 is 27275994.

49957272 is a `hidden beast` number, since 4 + 9 + 9 + 572 + 72 = 666.

49957272 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 (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49957279) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 346854 + ... + 346997.

Almost surely, 249957272 is an apocalyptic number.

It is an amenable number.

49957272 is an abundant number, since it is smaller than the sum of its proper divisors (85343868).

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

49957272 is a wasteful number, since it uses less digits than its factorization.

49957272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693863 (or 693856 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 49957272 is about 7068.0458402588. The cubic root of 49957272 is about 368.2981790918.

The spelling of 49957272 in words is "forty-nine million, nine hundred fifty-seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 693851 1387702 2081553 2775404 4163106 5550808 6244659 8326212 12489318 16652424 24978636 49957272