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4542533220 = 223575708887
BaseRepresentation
bin1000011101100000…
…11000111001100100
3102201120120121010010
410032300120321210
533300342030340
62030430130220
7220365616041
oct41660307144
912646517103
104542533220
111a21161495
12a69350970
135751493a4
1431141c1c8
151b8be0b80
hex10ec18e64

4542533220 has 24 divisors (see below), whose sum is σ = 12719093184. Its totient is φ = 1211342176.

The previous prime is 4542533207. The next prime is 4542533239. The reversal of 4542533220 is 223352454.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 37854384 + ... + 37854503.

It is an arithmetic number, because the mean of its divisors is an integer number (529962216).

Almost surely, 24542533220 is an apocalyptic number.

It is an amenable number.

4542533220 is an abundant number, since it is smaller than the sum of its proper divisors (8176559964).

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

4542533220 is a wasteful number, since it uses less digits than its factorization.

4542533220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75708899 (or 75708897 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 4542533220 is about 67398.3176347897. The cubic root of 4542533220 is about 1656.1488626127.

Adding to 4542533220 its reverse (223352454), we get a palindrome (4765885674).

The spelling of 4542533220 in words is "four billion, five hundred forty-two million, five hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 75708887 151417774 227126661 302835548 378544435 454253322 757088870 908506644 1135633305 1514177740 2271266610 4542533220