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57345000 = 233543823
BaseRepresentation
bin1101101011000…
…0001111101000
310222220102112220
43122300033220
5104140020000
65405034040
71264265406
oct332601750
9128812486
1057345000
112a408169
1217255920
13bb5a66b
14788a476
15507b1a0
hex36b03e8

57345000 has 80 divisors (see below), whose sum is σ = 179192640. Its totient is φ = 15288000.

The previous prime is 57344953. The next prime is 57345023. The reversal of 57345000 is 54375.

57345000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13089 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (2239908).

Almost surely, 257345000 is an apocalyptic number.

57345000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89596320).

57345000 is an abundant number, since it is smaller than the sum of its proper divisors (121847640).

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

57345000 is a wasteful number, since it uses less digits than its factorization.

57345000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 57345000 is about 7572.6481497558. The cubic root of 57345000 is about 385.6250038308.

Adding to 57345000 its reverse (54375), we get a palindrome (57399375).

The spelling of 57345000 in words is "fifty-seven million, three hundred forty-five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 625 750 1000 1250 1500 1875 2500 3000 3750 3823 5000 7500 7646 11469 15000 15292 19115 22938 30584 38230 45876 57345 76460 91752 95575 114690 152920 191150 229380 286725 382300 458760 477875 573450 764600 955750 1146900 1433625 1911500 2293800 2389375 2867250 3823000 4778750 5734500 7168125 9557500 11469000 14336250 19115000 28672500 57345000