Search a number
-
+
49152493 = 133780961
BaseRepresentation
bin1011101110000…
…0000111101101
310102111012112201
42323200013231
5100040334433
64513301501
71134534505
oct273400755
9112435481
1049152493
1125821aa5
1214564891
13a24c720
146756a05
1544ada7d
hex2ee01ed

49152493 has 4 divisors (see below), whose sum is σ = 52933468. Its totient is φ = 45371520.

The previous prime is 49152469. The next prime is 49152497. The reversal of 49152493 is 39425194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3697929 + 45454564 = 1923^2 + 6742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49152493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49152497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890468 + ... + 1890493.

It is an arithmetic number, because the mean of its divisors is an integer number (13233367).

Almost surely, 249152493 is an apocalyptic number.

It is an amenable number.

49152493 is a deficient number, since it is larger than the sum of its proper divisors (3780975).

49152493 is a wasteful number, since it uses less digits than its factorization.

49152493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780974.

The product of its digits is 38880, while the sum is 37.

The square root of 49152493 is about 7010.8838957723. The cubic root of 49152493 is about 366.3097823181.

The spelling of 49152493 in words is "forty-nine million, one hundred fifty-two thousand, four hundred ninety-three".

Divisors: 1 13 3780961 49152493