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42436863 = 3272329287
BaseRepresentation
bin1010000111100…
…0100011111111
32221212000102200
42201320203333
541330434423
64113322543
71023464430
oct241704377
987760380
1042436863
1121a55497
1212266453
138a3aa91
1458c9487
153ad3d43
hex28788ff

42436863 has 24 divisors (see below), whose sum is σ = 73102848. Its totient is φ = 23194512.

The previous prime is 42436847. The next prime is 42436897. The reversal of 42436863 is 36863424.

It is a happy number.

It is not a de Polignac number, because 42436863 - 24 = 42436847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42436843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13195 + ... + 16092.

It is an arithmetic number, because the mean of its divisors is an integer number (3045952).

Almost surely, 242436863 is an apocalyptic number.

42436863 is a deficient number, since it is larger than the sum of its proper divisors (30665985).

42436863 is a wasteful number, since it uses less digits than its factorization.

42436863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29323 (or 29320 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 42436863 is about 6514.3582185815. The cubic root of 42436863 is about 348.8037062239.

The spelling of 42436863 in words is "forty-two million, four hundred thirty-six thousand, eight hundred sixty-three".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 29287 87861 205009 263583 615027 673601 1845081 2020803 4715207 6062409 14145621 42436863