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3146139 = 321720563
BaseRepresentation
bin1100000000000110011011
312220211200200
430000012123
51301134024
6151233243
735512263
oct14000633
95824620
103146139
111859817
121078823
13862029
145bc7a3
154222c9
hex30019b

3146139 has 12 divisors (see below), whose sum is σ = 4811976. Its totient is φ = 1973952.

The previous prime is 3146137. The next prime is 3146141. The reversal of 3146139 is 9316413.

3146139 = T314 + T315 + ... + T367.

It is an interprime number because it is at equal distance from previous prime (3146137) and next prime (3146141).

It is not a de Polignac number, because 3146139 - 21 = 3146137 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3146131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10129 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (400998).

Almost surely, 23146139 is an apocalyptic number.

3146139 is a deficient number, since it is larger than the sum of its proper divisors (1665837).

3146139 is a wasteful number, since it uses less digits than its factorization.

3146139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20586 (or 20583 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3146139 is about 1773.7358878931. The cubic root of 3146139 is about 146.5298040292.

The spelling of 3146139 in words is "three million, one hundred forty-six thousand, one hundred thirty-nine".

Divisors: 1 3 9 17 51 153 20563 61689 185067 349571 1048713 3146139