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55470 = 235432
BaseRepresentation
bin1101100010101110
32211002110
431202232
53233340
61104450
7320502
oct154256
984073
1055470
1138748
1228126
131c32c
1416302
1511680
hexd8ae

55470 has 24 divisors (see below), whose sum is σ = 136296. Its totient is φ = 14448.

The previous prime is 55469. The next prime is 55487. The reversal of 55470 is 7455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (5679).

255470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68148).

55470 is an abundant number, since it is smaller than the sum of its proper divisors (80826).

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

55470 is a wasteful number, since it uses less digits than its factorization.

55470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 55470 is about 235.5206997272. The cubic root of 55470 is about 38.1375440224.

It can be divided in two parts, 55 and 470, that added together give a palindrome (525).

The spelling of 55470 in words is "fifty-five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 1849 3698 5547 9245 11094 18490 27735 55470