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42630899 = 293893779
BaseRepresentation
bin1010001010011…
…1111011110011
32222012212121012
42202213323303
541403142044
64121421135
71025233223
oct242477363
988185535
1042630899
1122078253
121233a7ab
138aa81ac
14593a083
153b2159e
hex28a7ef3

42630899 has 8 divisors (see below), whose sum is σ = 44226000. Its totient is φ = 41044192.

The previous prime is 42630893. The next prime is 42630901. The reversal of 42630899 is 99803624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42630899 - 216 = 42565363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42630893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9392 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 242630899 is an apocalyptic number.

42630899 is a deficient number, since it is larger than the sum of its proper divisors (1595101).

42630899 is a wasteful number, since it uses less digits than its factorization.

42630899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 42630899 is about 6529.2341817398. The cubic root of 42630899 is about 349.3345150503.

The spelling of 42630899 in words is "forty-two million, six hundred thirty thousand, eight hundred ninety-nine".

Divisors: 1 29 389 3779 11281 109591 1470031 42630899