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49345111 = 57918521
BaseRepresentation
bin1011110000111…
…1001001010111
310102211222202201
42330033021113
5100113020421
64521345331
71136266204
oct274171127
9112758681
1049345111
1125943792
1214638247
13a2b92ba
1467a6cab
1544eab91
hex2f0f257

49345111 has 4 divisors (see below), whose sum is σ = 49359424. Its totient is φ = 49330800.

The previous prime is 49345103. The next prime is 49345117. The reversal of 49345111 is 11154394.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11154394 = 25577197.

It is a cyclic number.

It is not a de Polignac number, because 49345111 - 23 = 49345103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49345111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49345117) 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, 1531 + ... + 10051.

It is an arithmetic number, because the mean of its divisors is an integer number (12339856).

Almost surely, 249345111 is an apocalyptic number.

49345111 is the 3142-nd centered decagonal number.

49345111 is a deficient number, since it is larger than the sum of its proper divisors (14313).

49345111 is an equidigital number, since it uses as much as digits as its factorization.

49345111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14312.

The product of its digits is 2160, while the sum is 28.

The square root of 49345111 is about 7024.6075335210. The cubic root of 49345111 is about 366.7876549310.

The spelling of 49345111 in words is "forty-nine million, three hundred forty-five thousand, one hundred eleven".

Divisors: 1 5791 8521 49345111