Search a number
-
+
52454445 = 357149253
BaseRepresentation
bin1100100000011…
…0010000101101
310122200221222020
43020012100231
5101412020240
65112140353
71204566261
oct310062055
9118627866
1052454445
112767788a
12156976b9
13ab37644
146d760a1
1549120d0
hex320642d

52454445 has 16 divisors (see below), whose sum is σ = 85110912. Its totient is φ = 27581120.

The previous prime is 52454443. The next prime is 52454473. The reversal of 52454445 is 54445425.

It is not a de Polignac number, because 52454445 - 21 = 52454443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52454443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23562 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (5319432).

Almost surely, 252454445 is an apocalyptic number.

It is an amenable number.

52454445 is a deficient number, since it is larger than the sum of its proper divisors (32656467).

52454445 is a wasteful number, since it uses less digits than its factorization.

52454445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49332.

The product of its digits is 64000, while the sum is 33.

The square root of 52454445 is about 7242.5440972078. The cubic root of 52454445 is about 374.3352846611.

The spelling of 52454445 in words is "fifty-two million, four hundred fifty-four thousand, four hundred forty-five".

Divisors: 1 3 5 15 71 213 355 1065 49253 147759 246265 738795 3496963 10490889 17484815 52454445