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42351497 = 83617827
BaseRepresentation
bin1010000110001…
…1101110001001
32221200200022222
42201203232021
541320221442
64111423425
71022660516
oct241435611
987620288
1042351497
11219a7341
1212224b75
138a0ac76
1458a630d
153ab88d2
hex2863b89

42351497 has 8 divisors (see below), whose sum is σ = 42983136. Its totient is φ = 41722912.

The previous prime is 42351473. The next prime is 42351509. The reversal of 42351497 is 79415324.

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 42351497 - 216 = 42285961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42351427) 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, 50798 + ... + 51624.

It is an arithmetic number, because the mean of its divisors is an integer number (5372892).

Almost surely, 242351497 is an apocalyptic number.

It is an amenable number.

42351497 is a deficient number, since it is larger than the sum of its proper divisors (631639).

42351497 is an equidigital number, since it uses as much as digits as its factorization.

42351497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its digits is 30240, while the sum is 35.

The square root of 42351497 is about 6507.8027782040. The cubic root of 42351497 is about 348.5696646917.

The spelling of 42351497 in words is "forty-two million, three hundred fifty-one thousand, four hundred ninety-seven".

Divisors: 1 83 617 827 51211 68641 510259 42351497