Search a number
-
+
53071572 = 22310741333
BaseRepresentation
bin1100101001110…
…0111011010100
310200212022111210
43022130323110
5102041242242
65133301420
71213046421
oct312347324
9120768453
1053071572
1127a59504
1215934870
13acc24c8
147096d48
1549d4d9c
hex329ced4

53071572 has 24 divisors (see below), whose sum is σ = 124994016. Its totient is φ = 17524768.

The previous prime is 53071567. The next prime is 53071573. The reversal of 53071572 is 27517035.

53071572 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

53071572 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53071573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19383 + ... + 21950.

It is an arithmetic number, because the mean of its divisors is an integer number (5208084).

Almost surely, 253071572 is an apocalyptic number.

It is an amenable number.

53071572 is an abundant number, since it is smaller than the sum of its proper divisors (71922444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53071572 is a wasteful number, since it uses less digits than its factorization.

53071572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41447 (or 41445 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 53071572 is about 7285.0238160215. The cubic root of 53071572 is about 375.7975842003.

The spelling of 53071572 in words is "fifty-three million, seventy-one thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 41333 82666 123999 165332 247998 495996 4422631 8845262 13267893 17690524 26535786 53071572