Search a number
-
+
4540653220 = 225229991409
BaseRepresentation
bin1000011101010010…
…01101111010100100
3102201110001002020111
410032221031322210
533244401400340
62030321542404
7220343626015
oct41651157244
912643032214
104540653220
111a20097a74
12a687a4a04
1357493b76c
1431108d00c
151b896daea
hex10ea4dea4

4540653220 has 24 divisors (see below), whose sum is σ = 9577020600. Its totient is φ = 1808328192.

The previous prime is 4540653203. The next prime is 4540653223. The reversal of 4540653220 is 223560454.

It can be written as a sum of positive squares in 4 ways, for example, as 571401216 + 3969252004 = 23904^2 + 63002^2 .

It is not an unprimeable number, because it can be changed into a prime (4540653223) 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, 491125 + ... + 500284.

It is an arithmetic number, because the mean of its divisors is an integer number (399042525).

Almost surely, 24540653220 is an apocalyptic number.

It is an amenable number.

4540653220 is an abundant number, since it is smaller than the sum of its proper divisors (5036367380).

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

4540653220 is a wasteful number, since it uses less digits than its factorization.

4540653220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991647 (or 991645 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 4540653220 is about 67384.3692557851. The cubic root of 4540653220 is about 1655.9203565243.

The spelling of 4540653220 in words is "four billion, five hundred forty million, six hundred fifty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 2290 4580 991409 1982818 3965636 4957045 9914090 19828180 227032661 454065322 908130644 1135163305 2270326610 4540653220