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4496989 = 7642427
BaseRepresentation
bin10001001001111001011101
322110110201011
4101021321131
52122400424
6240215221
753136520
oct21117135
98413634
104496989
1125a1722
12160a511
13c15b53
14850bb7
155dc694
hex449e5d

4496989 has 4 divisors (see below), whose sum is σ = 5139424. Its totient is φ = 3854556.

The previous prime is 4496963. The next prime is 4497011. The reversal of 4496989 is 9896944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4496989 - 27 = 4496861 is a prime.

It is a super-2 number, since 2×44969892 = 40445820132242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4496909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321207 + ... + 321220.

It is an arithmetic number, because the mean of its divisors is an integer number (1284856).

Almost surely, 24496989 is an apocalyptic number.

It is an amenable number.

4496989 is a deficient number, since it is larger than the sum of its proper divisors (642435).

4496989 is an equidigital number, since it uses as much as digits as its factorization.

4496989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642434.

The product of its digits is 559872, while the sum is 49.

The square root of 4496989 is about 2120.6105252969. The cubic root of 4496989 is about 165.0595316254.

The spelling of 4496989 in words is "four million, four hundred ninety-six thousand, nine hundred eighty-nine".

Divisors: 1 7 642427 4496989