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7260345 = 325161341
BaseRepresentation
bin11011101100100010111001
3111122212022200
4123230202321
53324312340
6415340413
7115466121
oct33544271
914585280
107260345
114109894
122521709
131672881
14d6dc81
15986330
hex6ec8b9

7260345 has 12 divisors (see below), whose sum is σ = 12584676. Its totient is φ = 3872160.

The previous prime is 7260329. The next prime is 7260347. The reversal of 7260345 is 5430627.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1671849 + 5588496 = 1293^2 + 2364^2 .

It is not a de Polignac number, because 7260345 - 24 = 7260329 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (7260347) 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, 80626 + ... + 80715.

It is an arithmetic number, because the mean of its divisors is an integer number (1048723).

Almost surely, 27260345 is an apocalyptic number.

It is an amenable number.

7260345 is a deficient number, since it is larger than the sum of its proper divisors (5324331).

7260345 is a wasteful number, since it uses less digits than its factorization.

7260345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161352 (or 161349 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7260345 is about 2694.5027370556. The cubic root of 7260345 is about 193.6358439569.

The spelling of 7260345 in words is "seven million, two hundred sixty thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 161341 484023 806705 1452069 2420115 7260345