Search a number
-
+
652680672 = 2537971251
BaseRepresentation
bin100110111001110…
…001110111100000
31200111010121120020
4212321301313200
52314041240142
6144433113440
722113460050
oct4671616740
91614117506
10652680672
1130546a716
121626b8880
13a52b21a7
146297b560
153c476cec
hex26e71de0

652680672 has 48 divisors (see below), whose sum is σ = 1958044032. Its totient is φ = 186480000.

The previous prime is 652680671. The next prime is 652680689. The reversal of 652680672 is 276086256.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652680671) 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, 484954 + ... + 486297.

It is an arithmetic number, because the mean of its divisors is an integer number (40792584).

Almost surely, 2652680672 is an apocalyptic number.

It is an amenable number.

652680672 is an abundant number, since it is smaller than the sum of its proper divisors (1305363360).

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

652680672 is a wasteful number, since it uses less digits than its factorization.

652680672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971271 (or 971263 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 652680672 is about 25547.6157791681. The cubic root of 652680672 is about 867.4282940617.

The spelling of 652680672 in words is "six hundred fifty-two million, six hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 971251 1942502 2913753 3885004 5827506 6798757 7770008 11655012 13597514 15540016 20396271 23310024 27195028 31080032 40792542 46620048 54390056 81585084 93240096 108780112 163170168 217560224 326340336 652680672