Search a number
-
+
15252061 = 111386551
BaseRepresentation
bin111010001011…
…101001011101
31001200212220011
4322023221131
512401031221
61302523221
7243432436
oct72135135
931625804
1015252061
118678110
125136511
1332102b6
14205048d
1515141e1
hexe8ba5d

15252061 has 4 divisors (see below), whose sum is σ = 16638624. Its totient is φ = 13865500.

The previous prime is 15252023. The next prime is 15252091. The reversal of 15252061 is 16025251.

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 not a de Polignac number, because 15252061 - 213 = 15243869 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 (15252011) 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, 693265 + ... + 693286.

It is an arithmetic number, because the mean of its divisors is an integer number (4159656).

Almost surely, 215252061 is an apocalyptic number.

15252061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15252061 is a deficient number, since it is larger than the sum of its proper divisors (1386563).

15252061 is a wasteful number, since it uses less digits than its factorization.

15252061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386562.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 15252061 is about 3905.3887130477. The cubic root of 15252061 is about 247.9949541551.

The spelling of 15252061 in words is "fifteen million, two hundred fifty-two thousand, sixty-one".

Divisors: 1 11 1386551 15252061