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57026000 = 245328513
BaseRepresentation
bin1101100110001…
…0010111010000
310222022012222002
43121202113100
5104044313000
65354133132
71261466363
oct331422720
9128265862
1057026000
112a20a529
12171211a8
13ba783c5
1478060da
1550168d5
hex36625d0

57026000 has 40 divisors (see below), whose sum is σ = 137893704. Its totient is φ = 22809600.

The previous prime is 57025981. The next prime is 57026017. The reversal of 57026000 is 62075.

It can be written as a sum of positive squares in 4 ways, for example, as 355216 + 56670784 = 596^2 + 7528^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12257 + ... + 16256.

Almost surely, 257026000 is an apocalyptic number.

57026000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57026000 is an abundant number, since it is smaller than the sum of its proper divisors (80867704).

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

57026000 is a wasteful number, since it uses less digits than its factorization.

57026000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28536 (or 28520 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 57026000 is about 7551.5561310236. The cubic root of 57026000 is about 384.9086194548.

Adding to 57026000 its reverse (62075), we get a palindrome (57088075).

The spelling of 57026000 in words is "fifty-seven million, twenty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 28513 57026 114052 142565 228104 285130 456208 570260 712825 1140520 1425650 2281040 2851300 3564125 5702600 7128250 11405200 14256500 28513000 57026000