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4250640653 = 7607234379
BaseRepresentation
bin1111110101011011…
…1010000100001101
3101222020022220210022
43331112322010031
532201131000103
61541441551525
7210222564230
oct37526720415
911866286708
104250640653
111891415266
129a76455a5
135298298ac
142c4759417
1519d284138
hexfd5ba10d

4250640653 has 4 divisors (see below), whose sum is σ = 4857875040. Its totient is φ = 3643406268.

The previous prime is 4250640643. The next prime is 4250640659. The reversal of 4250640653 is 3560460524.

It is a happy number.

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 4250640653 - 28 = 4250640397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250640659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303617183 + ... + 303617196.

It is an arithmetic number, because the mean of its divisors is an integer number (1214468760).

Almost surely, 24250640653 is an apocalyptic number.

It is an amenable number.

4250640653 is a deficient number, since it is larger than the sum of its proper divisors (607234387).

4250640653 is an equidigital number, since it uses as much as digits as its factorization.

4250640653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607234386.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 4250640653 is about 65196.9374510797. The cubic root of 4250640653 is about 1619.8872874129.

The spelling of 4250640653 in words is "four billion, two hundred fifty million, six hundred forty thousand, six hundred fifty-three".

Divisors: 1 7 607234379 4250640653