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52269421 = 139376039
BaseRepresentation
bin1100011101100…
…1000101101101
310122100120011111
43013121011231
5101340110141
65104152021
71203165661
oct307310555
9118316144
1052269421
1127560876
1215608611
13aaa1369
146d288a1
1548c7381
hex31d916d

52269421 has 4 divisors (see below), whose sum is σ = 52645600. Its totient is φ = 51893244.

The previous prime is 52269403. The next prime is 52269443. The reversal of 52269421 is 12496225.

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 52269421 - 25 = 52269389 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 (52269521) 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, 187881 + ... + 188158.

It is an arithmetic number, because the mean of its divisors is an integer number (13161400).

Almost surely, 252269421 is an apocalyptic number.

It is an amenable number.

52269421 is a deficient number, since it is larger than the sum of its proper divisors (376179).

52269421 is a wasteful number, since it uses less digits than its factorization.

52269421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376178.

The product of its digits is 8640, while the sum is 31.

The square root of 52269421 is about 7229.7594012526. The cubic root of 52269421 is about 373.8946317791.

The spelling of 52269421 in words is "fifty-two million, two hundred sixty-nine thousand, four hundred twenty-one".

Divisors: 1 139 376039 52269421