Search a number
-
+
2506253461 = 17203145687
BaseRepresentation
bin1001010101100010…
…0110010010010101
320110122221212102021
42111120212102111
520113100102321
61052405413141
7116051542255
oct22530462225
96418855367
102506253461
111076795358
1259b40a1b1
1330c30b91a
1419abdb965
15ea063941
hex95626495

2506253461 has 4 divisors (see below), whose sum is σ = 2506416352. Its totient is φ = 2506090572.

The previous prime is 2506253437. The next prime is 2506253467. The reversal of 2506253461 is 1643526052.

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 2506253461 - 25 = 2506253429 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 (2506253467) 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, 55641 + ... + 90046.

It is an arithmetic number, because the mean of its divisors is an integer number (626604088).

Almost surely, 22506253461 is an apocalyptic number.

It is an amenable number.

2506253461 is a deficient number, since it is larger than the sum of its proper divisors (162891).

2506253461 is a wasteful number, since it uses less digits than its factorization.

2506253461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162890.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2506253461 is about 50062.4955530585. The cubic root of 2506253461 is about 1358.3394997031.

The spelling of 2506253461 in words is "two billion, five hundred six million, two hundred fifty-three thousand, four hundred sixty-one".

Divisors: 1 17203 145687 2506253461