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7130245 = 59911439
BaseRepresentation
bin11011001100110010000101
3111102020212011
4123030302011
53311131440
6412454221
7114414613
oct33146205
914366764
107130245
114030071
12247a371
1316285a5
14d386b3
1595c9ea
hex6ccc85

7130245 has 8 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 5694480.

The previous prime is 7130243. The next prime is 7130251. The reversal of 7130245 is 5420317.

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

It is not a de Polignac number, because 7130245 - 21 = 7130243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130243) 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 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 27130245 is an apocalyptic number.

It is an amenable number.

7130245 is a deficient number, since it is larger than the sum of its proper divisors (1440635).

7130245 is a wasteful number, since it uses less digits than its factorization.

7130245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7130245 is about 2670.2518607802. The cubic root of 7130245 is about 192.4722622653.

The spelling of 7130245 in words is "seven million, one hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 991 1439 4955 7195 1426049 7130245