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49478401 = 77068343
BaseRepresentation
bin1011110010111…
…1101100000001
310110002202121101
42330233230001
5100131302101
64524254401
71140362620
oct274575401
9113082541
1049478401
1125a24945
12146a1401
13a334b7b
1467dd6b7
154525401
hex2f2fb01

49478401 has 4 divisors (see below), whose sum is σ = 56546752. Its totient is φ = 42410052.

The previous prime is 49478399. The next prime is 49478417. The reversal of 49478401 is 10487494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49478401 - 21 = 49478399 is a prime.

It is a super-2 number, since 2×494784012 = 4896224331033602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49478441) 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, 3534165 + ... + 3534178.

It is an arithmetic number, because the mean of its divisors is an integer number (14136688).

Almost surely, 249478401 is an apocalyptic number.

It is an amenable number.

49478401 is a deficient number, since it is larger than the sum of its proper divisors (7068351).

49478401 is an equidigital number, since it uses as much as digits as its factorization.

49478401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068350.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 49478401 is about 7034.0884981638. The cubic root of 49478401 is about 367.1176111114.

The spelling of 49478401 in words is "forty-nine million, four hundred seventy-eight thousand, four hundred one".

Divisors: 1 7 7068343 49478401