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2679969 = 31947017
BaseRepresentation
bin1010001110010010100001
312001011020010
422032102201
51141224334
6133235133
731531215
oct12162241
95034203
102679969
111570556
12a92aa9
1372aaa6
144da945
1537e0e9
hex28e4a1

2679969 has 8 divisors (see below), whose sum is σ = 3761440. Its totient is φ = 1692576.

The previous prime is 2679967. The next prime is 2679973. The reversal of 2679969 is 9699762.

It is a happy number.

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

It is not a de Polignac number, because 2679969 - 21 = 2679967 is a prime.

It is a super-2 number, since 2×26799692 = 14364467681922, which contains 22 as substring.

It is a Duffinian number.

2679969 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679967) 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, 23452 + ... + 23565.

It is an arithmetic number, because the mean of its divisors is an integer number (470180).

22679969 is an apocalyptic number.

It is an amenable number.

2679969 is a deficient number, since it is larger than the sum of its proper divisors (1081471).

2679969 is a wasteful number, since it uses less digits than its factorization.

2679969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47039.

The product of its digits is 367416, while the sum is 48.

The square root of 2679969 is about 1637.0610862152. The cubic root of 2679969 is about 138.9024555874.

The spelling of 2679969 in words is "two million, six hundred seventy-nine thousand, nine hundred sixty-nine".

Divisors: 1 3 19 57 47017 141051 893323 2679969