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42861036 = 22319187987
BaseRepresentation
bin1010001110000…
…0000111101100
32222122120021210
42203200013230
541433023121
64130354420
71030212201
oct243400754
988576253
1042861036
1122215149
121242ba10
138b58b7a
145999ca8
153b69876
hex28e01ec

42861036 has 24 divisors (see below), whose sum is σ = 105273280. Its totient is φ = 13534992.

The previous prime is 42860999. The next prime is 42861053. The reversal of 42861036 is 63016824.

It is a junction number, because it is equal to n+sod(n) for n = 42860994 and 42861012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93766 + ... + 94221.

Almost surely, 242861036 is an apocalyptic number.

It is an amenable number.

42861036 is an abundant number, since it is smaller than the sum of its proper divisors (62412244).

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

42861036 is a wasteful number, since it uses less digits than its factorization.

42861036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188013 (or 188011 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42861036 is about 6546.8340440246. The cubic root of 42861036 is about 349.9619985952.

The spelling of 42861036 in words is "forty-two million, eight hundred sixty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 187987 375974 563961 751948 1127922 2255844 3571753 7143506 10715259 14287012 21430518 42861036