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42193963 = 78372623
BaseRepresentation
bin1010000011110…
…1010000101011
32221101200020101
42200331100223
541300201323
64104210231
71021433320
oct240752053
987350211
1042193963
11218a9a49
1212169977
138984356
145864b47
153a86dad
hex283d42b

42193963 has 8 divisors (see below), whose sum is σ = 48803328. Its totient is φ = 35730024.

The previous prime is 42193919. The next prime is 42193967. The reversal of 42193963 is 36939124.

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 42193963 - 225 = 8639531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42193967) 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, 35731 + ... + 36892.

It is an arithmetic number, because the mean of its divisors is an integer number (6100416).

Almost surely, 242193963 is an apocalyptic number.

42193963 is a deficient number, since it is larger than the sum of its proper divisors (6609365).

42193963 is an equidigital number, since it uses as much as digits as its factorization.

42193963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72713.

The product of its digits is 34992, while the sum is 37.

The square root of 42193963 is about 6495.6880313020. The cubic root of 42193963 is about 348.1369385547.

The spelling of 42193963 in words is "forty-two million, one hundred ninety-three thousand, nine hundred sixty-three".

Divisors: 1 7 83 581 72623 508361 6027709 42193963