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42790300 = 2252761129
BaseRepresentation
bin1010001100111…
…0110110011100
32222111222020221
42203032312130
541423242200
64125051124
71026466030
oct243166634
988458227
1042790300
1122176a93
12123b6aa4
138b32907
14597c1c0
153b5391a
hex28ced9c

42790300 has 36 divisors (see below), whose sum is σ = 106121680. Its totient is φ = 14670720.

The previous prime is 42790249. The next prime is 42790313. The reversal of 42790300 is 309724.

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

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, 29865 + ... + 31264.

Almost surely, 242790300 is an apocalyptic number.

It is an amenable number.

42790300 is an abundant number, since it is smaller than the sum of its proper divisors (63331380).

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

42790300 is a wasteful number, since it uses less digits than its factorization.

42790300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61150 (or 61143 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 42790300 is about 6541.4295073783. The cubic root of 42790300 is about 349.7693718734.

The spelling of 42790300 in words is "forty-two million, seven hundred ninety thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 61129 122258 244516 305645 427903 611290 855806 1222580 1528225 1711612 2139515 3056450 4279030 6112900 8558060 10697575 21395150 42790300