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45777139 = 101453239
BaseRepresentation
bin1010111010100…
…0000011110011
310012010201102121
42232220003303
543204332024
64313055111
71064046022
oct256500363
9105121377
1045777139
1123927051
12133b7497
13963a285
1461188b9
1540438e4
hex2ba80f3

45777139 has 4 divisors (see below), whose sum is σ = 46230480. Its totient is φ = 45323800.

The previous prime is 45777133. The next prime is 45777143. The reversal of 45777139 is 93177754.

45777139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45777139 - 217 = 45646067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45777095 and 45777104.

It is not an unprimeable number, because it can be changed into a prime (45777133) 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 3 ways as a sum of consecutive naturals, for example, 226519 + ... + 226720.

It is an arithmetic number, because the mean of its divisors is an integer number (11557620).

Almost surely, 245777139 is an apocalyptic number.

45777139 is a deficient number, since it is larger than the sum of its proper divisors (453341).

45777139 is a wasteful number, since it uses less digits than its factorization.

45777139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453340.

The product of its digits is 185220, while the sum is 43.

The square root of 45777139 is about 6765.8805044133. The cubic root of 45777139 is about 357.7252112508.

The spelling of 45777139 in words is "forty-five million, seven hundred seventy-seven thousand, one hundred thirty-nine".

Divisors: 1 101 453239 45777139