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42357023 = 192976873
BaseRepresentation
bin1010000110010…
…1000100011111
32221200221220122
42201211010133
541320411043
64111505155
71023012602
oct241450437
987627818
1042357023
1121a00505
12122281bb
138a10637
1458a8339
153aba368
hex286511f

42357023 has 8 divisors (see below), whose sum is σ = 46124400. Its totient is φ = 38743488.

The previous prime is 42357019. The next prime is 42357031. The reversal of 42357023 is 32075324.

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 42357023 - 22 = 42357019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42356983 and 42357001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42357323) 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, 37886 + ... + 38987.

It is an arithmetic number, because the mean of its divisors is an integer number (5765550).

Almost surely, 242357023 is an apocalyptic number.

42357023 is a deficient number, since it is larger than the sum of its proper divisors (3767377).

42357023 is a wasteful number, since it uses less digits than its factorization.

42357023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76921.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 42357023 is about 6508.2273316165. The cubic root of 42357023 is about 348.5848244250.

The spelling of 42357023 in words is "forty-two million, three hundred fifty-seven thousand, twenty-three".

Divisors: 1 19 29 551 76873 1460587 2229317 42357023