Search a number
-
+
625243801 = 7136870811
BaseRepresentation
bin100101010001000…
…111011010011001
31121120111200020211
4211101013122121
52240030300201
6142013051121
721331325140
oct4521073231
91546450224
10625243801
112a0a2aa16
12155486aa1
139c6c6a60
145d078757
1539d57651
hex25447699

625243801 has 8 divisors (see below), whose sum is σ = 769530944. Its totient is φ = 494698320.

The previous prime is 625243789. The next prime is 625243813. The reversal of 625243801 is 108342526.

It is an interprime number because it is at equal distance from previous prime (625243789) and next prime (625243813).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-625243801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625213801) 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, 3435315 + ... + 3435496.

It is an arithmetic number, because the mean of its divisors is an integer number (96191368).

Almost surely, 2625243801 is an apocalyptic number.

It is an amenable number.

625243801 is a deficient number, since it is larger than the sum of its proper divisors (144287143).

625243801 is a wasteful number, since it uses less digits than its factorization.

625243801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870831.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 625243801 is about 25004.8755445813. The cubic root of 625243801 is about 855.0991305783.

The spelling of 625243801 in words is "six hundred twenty-five million, two hundred forty-three thousand, eight hundred one".

Divisors: 1 7 13 91 6870811 48095677 89320543 625243801