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7345057789 = 35920459771
BaseRepresentation
bin1101101011100110…
…01010111111111101
3200221220000121002101
412311303022333331
5110020313322124
63212502025101
7350005650436
oct66563127775
920856017071
107345057789
11312a1036a3
12150ba18191
1390094b754
144d96dc48d
152cec78644
hex1b5ccaffd

7345057789 has 4 divisors (see below), whose sum is σ = 7365517920. Its totient is φ = 7324597660.

The previous prime is 7345057781. The next prime is 7345057793. The reversal of 7345057789 is 9877505437.

It is a happy number.

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 7345057789 - 23 = 7345057781 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 (7345057781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10229527 + ... + 10230244.

It is an arithmetic number, because the mean of its divisors is an integer number (1841379480).

Almost surely, 27345057789 is an apocalyptic number.

It is an amenable number.

7345057789 is a deficient number, since it is larger than the sum of its proper divisors (20460131).

7345057789 is a wasteful number, since it uses less digits than its factorization.

7345057789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460130.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The square root of 7345057789 is about 85703.3125905878. The cubic root of 7345057789 is about 1943.8603994270.

The spelling of 7345057789 in words is "seven billion, three hundred forty-five million, fifty-seven thousand, seven hundred eighty-nine".

Divisors: 1 359 20459771 7345057789