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220134552 = 23311833843
BaseRepresentation
bin11010001111011…
…11110010011000
3120100012222211120
431013233302120
5422323301202
633502125240
75312053461
oct1507576230
9510188746
10220134552
11103295390
1261880820
13367b6a41
1421343d68
15144d50bc
hexd1efc98

220134552 has 32 divisors (see below), whose sum is σ = 600367680. Its totient is φ = 66707360.

The previous prime is 220134517. The next prime is 220134559. The reversal of 220134552 is 255431022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220134559) 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, 416658 + ... + 417185.

It is an arithmetic number, because the mean of its divisors is an integer number (18761490).

Almost surely, 2220134552 is an apocalyptic number.

220134552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220134552 is an abundant number, since it is smaller than the sum of its proper divisors (380233128).

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

220134552 is a wasteful number, since it uses less digits than its factorization.

220134552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833863 (or 833859 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 220134552 is about 14836.9320278823. The cubic root of 220134552 is about 603.8041190465.

Adding to 220134552 its reverse (255431022), we get a palindrome (475565574).

It can be divided in two parts, 22013 and 4552, that added together give a triangular number (26565 = T230).

The spelling of 220134552 in words is "two hundred twenty million, one hundred thirty-four thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 833843 1667686 2501529 3335372 5003058 6670744 9172273 10006116 18344546 20012232 27516819 36689092 55033638 73378184 110067276 220134552