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42634023 = 336738723
BaseRepresentation
bin1010001010100…
…0101100100111
32222020000212220
42202220230213
541403242043
64121443423
71025245305
oct242505447
988200786
1042634023
112207a633
1212340573
138aa9743
14593b275
153b22483
hex28a8b27

42634023 has 8 divisors (see below), whose sum is σ = 57001728. Its totient is φ = 28344504.

The previous prime is 42634013. The next prime is 42634051. The reversal of 42634023 is 32043624.

It is a happy number.

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

It is not a de Polignac number, because 42634023 - 222 = 38439719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42633984 and 42634002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42634003) 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, 18261 + ... + 20462.

It is an arithmetic number, because the mean of its divisors is an integer number (7125216).

Almost surely, 242634023 is an apocalyptic number.

42634023 is a deficient number, since it is larger than the sum of its proper divisors (14367705).

42634023 is a wasteful number, since it uses less digits than its factorization.

42634023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39093.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42634023 is about 6529.4734090890. The cubic root of 42634023 is about 349.3430479407.

Adding to 42634023 its reverse (32043624), we get a palindrome (74677647).

The spelling of 42634023 in words is "forty-two million, six hundred thirty-four thousand, twenty-three".

Divisors: 1 3 367 1101 38723 116169 14211341 42634023