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377620685 = 5135809549
BaseRepresentation
bin10110100000100…
…000100011001101
3222022120010012022
4112200200203031
51233132330220
6101245415525
712233502641
oct2640404315
9868503168
10377620685
11184180012
12a656a5a5
13603071c0
143821ac21
1523242925
hex168208cd

377620685 has 8 divisors (see below), whose sum is σ = 488002200. Its totient is φ = 278858304.

The previous prime is 377620679. The next prime is 377620697. The reversal of 377620685 is 586026773.

It can be written as a sum of positive squares in 4 ways, for example, as 20448484 + 357172201 = 4522^2 + 18899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 377620685 - 24 = 377620669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904710 + ... + 2904839.

It is an arithmetic number, because the mean of its divisors is an integer number (61000275).

Almost surely, 2377620685 is an apocalyptic number.

It is an amenable number.

377620685 is a deficient number, since it is larger than the sum of its proper divisors (110381515).

377620685 is a wasteful number, since it uses less digits than its factorization.

377620685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809567.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 377620685 is about 19432.4647175802. The cubic root of 377620685 is about 722.8007456340.

The spelling of 377620685 in words is "three hundred seventy-seven million, six hundred twenty thousand, six hundred eighty-five".

Divisors: 1 5 13 65 5809549 29047745 75524137 377620685