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3942538287 = 38914766061
BaseRepresentation
bin1110101011111110…
…0101110000101111
3101011202120200210120
43222333211300233
531033242211122
61451114140023
7166462010502
oct35277456057
911152520716
103942538287
111743507406
12920421613
134aaa52bbc
14295877139
151811c475c
hexeafe5c2f

3942538287 has 8 divisors (see below), whose sum is σ = 5315782320. Its totient is φ = 2598826560.

The previous prime is 3942538283. The next prime is 3942538309. The reversal of 3942538287 is 7828352493.

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

It is not a de Polignac number, because 3942538287 - 22 = 3942538283 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942538283) 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, 7382764 + ... + 7383297.

It is an arithmetic number, because the mean of its divisors is an integer number (664472790).

Almost surely, 23942538287 is an apocalyptic number.

3942538287 is a deficient number, since it is larger than the sum of its proper divisors (1373244033).

3942538287 is a wasteful number, since it uses less digits than its factorization.

3942538287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14766153.

The product of its digits is 2903040, while the sum is 51.

The square root of 3942538287 is about 62789.6351876645. The cubic root of 3942538287 is about 1579.7631283796.

The spelling of 3942538287 in words is "three billion, nine hundred forty-two million, five hundred thirty-eight thousand, two hundred eighty-seven".

Divisors: 1 3 89 267 14766061 44298183 1314179429 3942538287