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386925545 = 5293264113
BaseRepresentation
bin10111000100000…
…000001111101001
3222222001212001202
4113010000033221
51243023104140
6102221053545
712405545546
oct2704001751
9888055052
10386925545
11189455986
12a96b72b5
1362214536
143955dbcd
1523e7e915
hex171003e9

386925545 has 8 divisors (see below), whose sum is σ = 465897096. Its totient is φ = 308482816.

The previous prime is 386925521. The next prime is 386925547. The reversal of 386925545 is 545529683.

It can be written as a sum of positive squares in 4 ways, for example, as 28504921 + 358420624 = 5339^2 + 18932^2 .

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 386925545 - 28 = 386925289 is a prime.

It is a super-2 number, since 2×3869255452 = 299422754747094050, which contains 22 as substring.

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 386925545.

It is not an unprimeable number, because it can be changed into a prime (386925547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130592 + ... + 133521.

It is an arithmetic number, because the mean of its divisors is an integer number (58237137).

Almost surely, 2386925545 is an apocalyptic number.

It is an amenable number.

386925545 is a deficient number, since it is larger than the sum of its proper divisors (78971551).

386925545 is a wasteful number, since it uses less digits than its factorization.

386925545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264411.

The product of its digits is 1296000, while the sum is 47.

The square root of 386925545 is about 19670.4231017027. The cubic root of 386925545 is about 728.6894262207.

The spelling of 386925545 in words is "three hundred eighty-six million, nine hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 5 293 1465 264113 1320565 77385109 386925545