Search a number
-
+
5721272 = 23715159
BaseRepresentation
bin10101110100110010111000
3101202200002222
4111310302320
52431040042
6322343212
766426044
oct25646270
911680088
105721272
113258527
121abab08
13125418b
14a8d024
157802d2
hex574cb8

5721272 has 8 divisors (see below), whose sum is σ = 10727400. Its totient is φ = 2860632.

The previous prime is 5721271. The next prime is 5721281. The reversal of 5721272 is 2721275.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357572 + ... + 357587.

It is an arithmetic number, because the mean of its divisors is an integer number (1340925).

Almost surely, 25721272 is an apocalyptic number.

It is an amenable number.

5721272 is a deficient number, since it is larger than the sum of its proper divisors (5006128).

5721272 is a wasteful number, since it uses less digits than its factorization.

5721272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715165 (or 715161 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 5721272 is about 2391.9180587972. The cubic root of 5721272 is about 178.8535364444.

The spelling of 5721272 in words is "five million, seven hundred twenty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 715159 1430318 2860636 5721272