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55682400 = 2535223201
BaseRepresentation
bin1101010001101…
…0010101100000
310212202221220010
43110122111200
5103223314100
65305244520
71244202234
oct324322540
9125687803
1055682400
1129482014
1216793740
13b6c7987
1475765c4
154d4d750
hex351a560

55682400 has 72 divisors (see below), whose sum is σ = 181254024. Its totient is φ = 14848000.

The previous prime is 55682381. The next prime is 55682413. The reversal of 55682400 is 428655.

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

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9201 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (2517417).

Almost surely, 255682400 is an apocalyptic number.

55682400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55682400 is an abundant number, since it is smaller than the sum of its proper divisors (125571624).

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

55682400 is a wasteful number, since it uses less digits than its factorization.

55682400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23224 (or 23211 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 55682400 is about 7462.0640576184. The cubic root of 55682400 is about 381.8615947339.

The spelling of 55682400 in words is "fifty-five million, six hundred eighty-two thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 23201 46402 69603 92804 116005 139206 185608 232010 278412 348015 371216 464020 556824 580025 696030 742432 928040 1113648 1160050 1392060 1740075 1856080 2227296 2320100 2784120 3480150 3712160 4640200 5568240 6960300 9280400 11136480 13920600 18560800 27841200 55682400