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42342357 = 361231379
BaseRepresentation
bin1010000110000…
…1011111010101
32221200012210110
42201201133111
541314423412
64111313233
71022622051
oct241413725
987605713
1042342357
11219a0492
121221b819
138a06a65
1458a2c61
153ab5d3c
hex28617d5

42342357 has 8 divisors (see below), whose sum is σ = 57382240. Its totient is φ = 27765360.

The previous prime is 42342323. The next prime is 42342371. The reversal of 42342357 is 75324324.

42342357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42342357 - 210 = 42341333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115507 + ... + 115872.

It is an arithmetic number, because the mean of its divisors is an integer number (7172780).

Almost surely, 242342357 is an apocalyptic number.

It is an amenable number.

42342357 is a deficient number, since it is larger than the sum of its proper divisors (15039883).

42342357 is a wasteful number, since it uses less digits than its factorization.

42342357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231443.

The product of its digits is 20160, while the sum is 30.

The square root of 42342357 is about 6507.1005063699. The cubic root of 42342357 is about 348.5445876093.

The spelling of 42342357 in words is "forty-two million, three hundred forty-two thousand, three hundred fifty-seven".

Divisors: 1 3 61 183 231379 694137 14114119 42342357