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45620789 = 166727367
BaseRepresentation
bin1010111000000…
…1111000110101
310011211202221212
42232001320311
543134331124
64305451205
71062525134
oct256017065
9104752855
1045620789
112382a635
1213340b05
1395b4066
1460b791b
15401240e
hex2b81e35

45620789 has 4 divisors (see below), whose sum is σ = 45649824. Its totient is φ = 45591756.

The previous prime is 45620759. The next prime is 45620797. The reversal of 45620789 is 98702654.

45620789 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, 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 45620789 - 212 = 45616693 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 (45620759) 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, 12017 + ... + 15350.

It is an arithmetic number, because the mean of its divisors is an integer number (11412456).

Almost surely, 245620789 is an apocalyptic number.

It is an amenable number.

45620789 is a deficient number, since it is larger than the sum of its proper divisors (29035).

45620789 is a wasteful number, since it uses less digits than its factorization.

45620789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29034.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 45620789 is about 6754.3163236556. The cubic root of 45620789 is about 357.3174812859.

The spelling of 45620789 in words is "forty-five million, six hundred twenty thousand, seven hundred eighty-nine".

Divisors: 1 1667 27367 45620789