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6534972 = 223360509
BaseRepresentation
bin11000111011011100111100
3110022000022000
4120323130330
53133104342
6352022300
7106355253
oct30733474
913260260
106534972
113763904
122231990
13147a662
14c2179a
1589144c
hex63b73c

6534972 has 24 divisors (see below), whose sum is σ = 16942800. Its totient is φ = 2178288.

The previous prime is 6534943. The next prime is 6535019. The reversal of 6534972 is 2794356.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a d-powerful number, because it can be written as 65 + 59 + 313 + 4 + 95 + 77 + 221 .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30147 + ... + 30362.

It is an arithmetic number, because the mean of its divisors is an integer number (705950).

Almost surely, 26534972 is an apocalyptic number.

It is an amenable number.

6534972 is an abundant number, since it is smaller than the sum of its proper divisors (10407828).

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

6534972 is a wasteful number, since it uses less digits than its factorization.

6534972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60522 (or 60514 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 6534972 is about 2556.3591296999. The cubic root of 6534972 is about 186.9596603387.

It can be divided in two parts, 653 and 4972, that added together give a square (5625 = 752).

The spelling of 6534972 in words is "six million, five hundred thirty-four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 60509 121018 181527 242036 363054 544581 726108 1089162 1633743 2178324 3267486 6534972