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2470309 = 10723087
BaseRepresentation
bin1001011011000110100101
311122111121221
421123012211
51113022214
6124540341
726666032
oct11330645
94574557
102470309
111437a86
129b16b1
1368652a
14484389
1533be24
hex25b1a5

2470309 has 4 divisors (see below), whose sum is σ = 2493504. Its totient is φ = 2447116.

The previous prime is 2470301. The next prime is 2470313. The reversal of 2470309 is 9030742.

2470309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2470309 - 23 = 2470301 is a prime.

It is a super-2 number, since 2×24703092 = 12204853110962, 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 (2470301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11437 + ... + 11650.

It is an arithmetic number, because the mean of its divisors is an integer number (623376).

22470309 is an apocalyptic number.

It is an amenable number.

2470309 is a deficient number, since it is larger than the sum of its proper divisors (23195).

2470309 is a wasteful number, since it uses less digits than its factorization.

2470309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23194.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2470309 is about 1571.7216674717. The cubic root of 2470309 is about 135.1814478296.

It can be divided in two parts, 2470 and 309, that multiplied together give a triangular number (763230 = T1235).

The spelling of 2470309 in words is "two million, four hundred seventy thousand, three hundred nine".

Divisors: 1 107 23087 2470309