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42192723 = 376918289
BaseRepresentation
bin1010000011110…
…0111101010011
32221101121112110
42200330331103
541300131343
64104200403
71021426566
oct240747523
987347473
1042192723
11218a9021
1212169103
138983911
1458644dd
153a86833
hex283cf53

42192723 has 8 divisors (see below), whose sum is σ = 56333200. Its totient is φ = 28090368.

The previous prime is 42192721. The next prime is 42192739. The reversal of 42192723 is 32729124.

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

It is not a de Polignac number, because 42192723 - 21 = 42192721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42192721) 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, 6838 + ... + 11451.

It is an arithmetic number, because the mean of its divisors is an integer number (7041650).

Almost surely, 242192723 is an apocalyptic number.

42192723 is a deficient number, since it is larger than the sum of its proper divisors (14140477).

42192723 is a wasteful number, since it uses less digits than its factorization.

42192723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061.

The product of its digits is 6048, while the sum is 30.

The square root of 42192723 is about 6495.5925826671. The cubic root of 42192723 is about 348.1335281613.

The spelling of 42192723 in words is "forty-two million, one hundred ninety-two thousand, seven hundred twenty-three".

Divisors: 1 3 769 2307 18289 54867 14064241 42192723