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306769045 = 5115577619
BaseRepresentation
bin10010010010001…
…110110010010101
3210101020111000111
4102102032302111
51112013102140
650235043021
710413331252
oct2222166225
9711214014
10306769045
11148188140
12868a0471
134b72ab5b
142ca56429
151bde97ea
hex1248ec95

306769045 has 8 divisors (see below), whose sum is σ = 401588640. Its totient is φ = 223104720.

The previous prime is 306769013. The next prime is 306769049. The reversal of 306769045 is 540967603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 306769045 - 25 = 306769013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306768989 and 306769007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306769049) 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 7 ways as a sum of consecutive naturals, for example, 2788755 + ... + 2788864.

It is an arithmetic number, because the mean of its divisors is an integer number (50198580).

Almost surely, 2306769045 is an apocalyptic number.

It is an amenable number.

306769045 is a deficient number, since it is larger than the sum of its proper divisors (94819595).

306769045 is a wasteful number, since it uses less digits than its factorization.

306769045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577635.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 306769045 is about 17514.8235789002. The cubic root of 306769045 is about 674.4304624266.

The spelling of 306769045 in words is "three hundred six million, seven hundred sixty-nine thousand, forty-five".

Divisors: 1 5 11 55 5577619 27888095 61353809 306769045