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42699700 = 2252426997
BaseRepresentation
bin1010001011100…
…0101110110100
32222100100222101
42202320232310
541412342300
64123111444
71025640631
oct242705664
988310871
1042699700
1122114a0a
1212372584
138b005c4
145957188
153b36b6a
hex28b8bb4

42699700 has 18 divisors (see below), whose sum is σ = 92658566. Its totient is φ = 17079840.

The previous prime is 42699689. The next prime is 42699719. The reversal of 42699700 is 799624.

42699700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 163216 + 42536484 = 404^2 + 6522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42699700.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 213399 + ... + 213598.

Almost surely, 242699700 is an apocalyptic number.

It is an amenable number.

42699700 is an abundant number, since it is smaller than the sum of its proper divisors (49958866).

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

42699700 is a wasteful number, since it uses less digits than its factorization.

42699700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427011 (or 427004 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 42699700 is about 6534.5007460402. The cubic root of 42699700 is about 349.5223416152.

The spelling of 42699700 in words is "forty-two million, six hundred ninety-nine thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 426997 853994 1707988 2134985 4269970 8539940 10674925 21349850 42699700