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2730669 = 32931387
BaseRepresentation
bin1010011010101010101101
312010201202220
422122222231
51144340134
6134305553
732132064
oct12325255
95121686
102730669
1115a5657
12ab82b9
13747ba6
145111db
1538e149
hex29aaad

2730669 has 8 divisors (see below), whose sum is σ = 3766560. Its totient is φ = 1757616.

The previous prime is 2730649. The next prime is 2730671. The reversal of 2730669 is 9660372.

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

It is not a de Polignac number, because 2730669 - 29 = 2730157 is a prime.

It is a super-2 number, since 2×27306692 = 14913106375122, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730649) 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, 15607 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (470820).

22730669 is an apocalyptic number.

2730669 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2730669 is a deficient number, since it is larger than the sum of its proper divisors (1035891).

2730669 is a wasteful number, since it uses less digits than its factorization.

2730669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31419.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 2730669 is about 1652.4736003943. The cubic root of 2730669 is about 139.7729141694.

The spelling of 2730669 in words is "two million, seven hundred thirty thousand, six hundred sixty-nine".

Divisors: 1 3 29 87 31387 94161 910223 2730669