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45070789 = 347129887
BaseRepresentation
bin1010101111101…
…1100111000101
310010210211111111
42223323213011
543014231124
64250005021
71055044501
oct253734705
9103724444
1045070789
1123494395
1213116771
13945090a
145db3301
153e54494
hex2afb9c5

45070789 has 4 divisors (see below), whose sum is σ = 45201024. Its totient is φ = 44940556.

The previous prime is 45070787. The next prime is 45070799. The reversal of 45070789 is 98707054.

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 45070789 - 21 = 45070787 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45070783) 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, 64597 + ... + 65290.

It is an arithmetic number, because the mean of its divisors is an integer number (11300256).

Almost surely, 245070789 is an apocalyptic number.

It is an amenable number.

45070789 is a deficient number, since it is larger than the sum of its proper divisors (130235).

45070789 is a wasteful number, since it uses less digits than its factorization.

45070789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130234.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 45070789 is about 6713.4781596427. The cubic root of 45070789 is about 355.8757430465.

The spelling of 45070789 in words is "forty-five million, seventy thousand, seven hundred eighty-nine".

Divisors: 1 347 129887 45070789