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307572077 = 2343353881
BaseRepresentation
bin10010010101010…
…010110101101101
3210102202021120102
4102111102311231
51112214301302
650304200445
710423214411
oct2225226555
9712667512
10307572077
111486864aa
1287009125
134b94c517
142cbc4d41
151c007702
hex12552d6d

307572077 has 16 divisors (see below), whose sum is σ = 329712768. Its totient is φ = 286218240.

The previous prime is 307572059. The next prime is 307572079. The reversal of 307572077 is 770275703.

It is a cyclic number.

It is not a de Polignac number, because 307572077 - 222 = 303377773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 307572077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307572079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348677 + ... + 349557.

It is an arithmetic number, because the mean of its divisors is an integer number (20607048).

Almost surely, 2307572077 is an apocalyptic number.

It is an amenable number.

307572077 is a deficient number, since it is larger than the sum of its proper divisors (22140691).

307572077 is a wasteful number, since it uses less digits than its factorization.

307572077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 72030, while the sum is 38.

The square root of 307572077 is about 17537.7329492725. The cubic root of 307572077 is about 675.0184371736.

The spelling of 307572077 in words is "three hundred seven million, five hundred seventy-two thousand, seventy-seven".

Divisors: 1 23 43 353 881 989 8119 15179 20263 37883 310993 349117 871309 7152839 13372699 307572077