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42797146 = 273056939
BaseRepresentation
bin1010001101000…
…0100001011010
32222112022122111
42203100201122
541424002041
64125142534
71026525010
oct243204132
988468574
1042797146
1122181147
12123baa4a
138b35a72
1459808b0
153b55981
hex28d085a

42797146 has 8 divisors (see below), whose sum is σ = 73366560. Its totient is φ = 18341628.

The previous prime is 42797137. The next prime is 42797147. The reversal of 42797146 is 64179724.

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

It is a junction number, because it is equal to n+sod(n) for n = 42797099 and 42797108.

It is not an unprimeable number, because it can be changed into a prime (42797147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528456 + ... + 1528483.

It is an arithmetic number, because the mean of its divisors is an integer number (9170820).

Almost surely, 242797146 is an apocalyptic number.

42797146 is a deficient number, since it is larger than the sum of its proper divisors (30569414).

42797146 is a wasteful number, since it uses less digits than its factorization.

42797146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056948.

The product of its digits is 84672, while the sum is 40.

The square root of 42797146 is about 6541.9527665675. The cubic root of 42797146 is about 349.7880240245.

The spelling of 42797146 in words is "forty-two million, seven hundred ninety-seven thousand, one hundred forty-six".

Divisors: 1 2 7 14 3056939 6113878 21398573 42797146