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4689139 = 7132272
BaseRepresentation
bin10001111000110011110011
322211020021211
4101320303303
52200023024
6244300551
754566650
oct21706363
98736254
104689139
112713024
1216a1757
13c82450
148a0c27
15629594
hex478cf3

4689139 has 12 divisors (see below), whose sum is σ = 5796784. Its totient is φ = 3693744.

The previous prime is 4689133. The next prime is 4689149. The reversal of 4689139 is 9319864.

It is not a de Polignac number, because 4689139 - 221 = 2591987 is a prime.

It is a super-2 number, since 2×46891392 = 43976049122642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4689133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20544 + ... + 20770.

Almost surely, 24689139 is an apocalyptic number.

4689139 is a deficient number, since it is larger than the sum of its proper divisors (1107645).

4689139 is an equidigital number, since it uses as much as digits as its factorization.

4689139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 247 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 4689139 is about 2165.4419872165. The cubic root of 4689139 is about 167.3777410361.

The spelling of 4689139 in words is "four million, six hundred eighty-nine thousand, one hundred thirty-nine".

Divisors: 1 7 13 91 227 1589 2951 20657 51529 360703 669877 4689139