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42772094 = 221386047
BaseRepresentation
bin1010001100101…
…0011001111110
32222111001021122
42203022121332
541422201334
64124430542
71026361661
oct243123176
988431248
1042772094
1122164342
12123a8452
138b27541
1459756d8
153b4d32e
hex28ca67e

42772094 has 4 divisors (see below), whose sum is σ = 64158144. Its totient is φ = 21386046.

The previous prime is 42772091. The next prime is 42772123. The reversal of 42772094 is 49027724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42772091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10693022 + ... + 10693025.

It is an arithmetic number, because the mean of its divisors is an integer number (16039536).

Almost surely, 242772094 is an apocalyptic number.

42772094 is a deficient number, since it is larger than the sum of its proper divisors (21386050).

42772094 is a wasteful number, since it uses less digits than its factorization.

42772094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21386049.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42772094 is about 6540.0377674750. The cubic root of 42772094 is about 349.7197593481.

The spelling of 42772094 in words is "forty-two million, seven hundred seventy-two thousand, ninety-four".

Divisors: 1 2 21386047 42772094