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7225147140 = 2235181665299
BaseRepresentation
bin1101011101010011…
…01111111100000100
3200122112101111121020
412232221233330010
5104244114202030
63152535551140
7344021510631
oct65651577404
920575344536
107225147140
113078452a92
12149782b4b0
138b1b563c3
144c7807188
152c448e510
hex1aea6ff04

7225147140 has 48 divisors (see below), whose sum is σ = 20342212800. Its totient is φ = 1916058240.

The previous prime is 7225147129. The next prime is 7225147147. The reversal of 7225147140 is 417415227.

It is not an unprimeable number, because it can be changed into a prime (7225147147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321790 + ... + 343509.

It is an arithmetic number, because the mean of its divisors is an integer number (423796100).

Almost surely, 27225147140 is an apocalyptic number.

It is an amenable number.

7225147140 is an abundant number, since it is smaller than the sum of its proper divisors (13117065660).

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

7225147140 is a wasteful number, since it uses less digits than its factorization.

7225147140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665492 (or 665490 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 7225147140 is about 85000.8655250051. The cubic root of 7225147140 is about 1933.2242400459.

The spelling of 7225147140 in words is "seven billion, two hundred twenty-five million, one hundred forty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 362 543 724 905 1086 1810 2172 2715 3620 5430 10860 665299 1330598 1995897 2661196 3326495 3991794 6652990 7983588 9979485 13305980 19958970 39917940 120419119 240838238 361257357 481676476 602095595 722514714 1204191190 1445029428 1806286785 2408382380 3612573570 7225147140