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42817300 = 2252428173
BaseRepresentation
bin1010001101010…
…1011100010100
32222120100021221
42203111130110
541430123200
64125420124
71026640531
oct243253424
988510257
1042817300
11221952a9
121240a644
138b41ca6
145987d88
153b5b91a
hex28d5714

42817300 has 18 divisors (see below), whose sum is σ = 92913758. Its totient is φ = 17126880.

The previous prime is 42817267. The next prime is 42817301. The reversal of 42817300 is 371824.

It can be written as a sum of positive squares in 3 ways, for example, as 12830724 + 29986576 = 3582^2 + 5476^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42817301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213987 + ... + 214186.

Almost surely, 242817300 is an apocalyptic number.

It is an amenable number.

42817300 is an abundant number, since it is smaller than the sum of its proper divisors (50096458).

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

42817300 is a wasteful number, since it uses less digits than its factorization.

42817300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428187 (or 428180 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 42817300 is about 6543.4929510163. The cubic root of 42817300 is about 349.8429227128.

The spelling of 42817300 in words is "forty-two million, eight hundred seventeen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 428173 856346 1712692 2140865 4281730 8563460 10704325 21408650 42817300