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54150220 = 2252707511
BaseRepresentation
bin1100111010010…
…0010001001100
310202220010010201
43032210101030
5102330301340
65212343244
71225161235
oct316442114
9122803121
1054150220
1128625953
1216174b24
13b2ac467
14729808c
154b4979a
hex33a444c

54150220 has 12 divisors (see below), whose sum is σ = 113715504. Its totient is φ = 21660080.

The previous prime is 54150193. The next prime is 54150233. The reversal of 54150220 is 2205145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353736 + ... + 1353775.

It is an arithmetic number, because the mean of its divisors is an integer number (9476292).

Almost surely, 254150220 is an apocalyptic number.

It is an amenable number.

54150220 is an abundant number, since it is smaller than the sum of its proper divisors (59565284).

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

54150220 is a wasteful number, since it uses less digits than its factorization.

54150220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707520 (or 2707518 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 54150220 is about 7358.6833061357. The cubic root of 54150220 is about 378.3264818354.

Adding to 54150220 its reverse (2205145), we get a palindrome (56355365).

The spelling of 54150220 in words is "fifty-four million, one hundred fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2707511 5415022 10830044 13537555 27075110 54150220