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386342493 = 31737533863
BaseRepresentation
bin10111000001110…
…001111001011101
3222220222020021020
4113001301321131
51242400424433
6102200354353
712400566645
oct2701617135
9886866236
10386342493
11189097919
12a94759b9
136206c034
143944b525
1523db6cb3
hex17071e5d

386342493 has 32 divisors (see below), whose sum is σ = 570882816. Its totient is φ = 231349248.

The previous prime is 386342471. The next prime is 386342497. The reversal of 386342493 is 394243683.

It is not a de Polignac number, because 386342493 - 29 = 386341981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386342497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98080 + ... + 101942.

It is an arithmetic number, because the mean of its divisors is an integer number (17840088).

Almost surely, 2386342493 is an apocalyptic number.

It is an amenable number.

386342493 is a deficient number, since it is larger than the sum of its proper divisors (184540323).

386342493 is a wasteful number, since it uses less digits than its factorization.

386342493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973.

The product of its digits is 373248, while the sum is 42.

The square root of 386342493 is about 19655.5969891530. The cubic root of 386342493 is about 728.3232253512.

The spelling of 386342493 in words is "three hundred eighty-six million, three hundred forty-two thousand, four hundred ninety-three".

Divisors: 1 3 17 37 51 53 111 159 629 901 1887 1961 2703 3863 5883 11589 33337 65671 100011 142931 197013 204739 428793 614217 2429827 3480563 7289481 7575343 10441689 22726029 128780831 386342493