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42983823 = 3109131449
BaseRepresentation
bin1010001111111…
…0000110001111
32222212210201110
42203332012033
542000440243
64133143103
71031233161
oct243760617
988783643
1042983823
1122299423
121248aa93
138b9ca1c
1459cc931
153b90e33
hex28fe18f

42983823 has 8 divisors (see below), whose sum is σ = 57838000. Its totient is φ = 28392768.

The previous prime is 42983819. The next prime is 42983827. The reversal of 42983823 is 32838924.

It is an interprime number because it is at equal distance from previous prime (42983819) and next prime (42983827).

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

It is not a de Polignac number, because 42983823 - 22 = 42983819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42983827) 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, 65398 + ... + 66051.

It is an arithmetic number, because the mean of its divisors is an integer number (7229750).

Almost surely, 242983823 is an apocalyptic number.

42983823 is a deficient number, since it is larger than the sum of its proper divisors (14854177).

42983823 is a wasteful number, since it uses less digits than its factorization.

42983823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131561.

The product of its digits is 82944, while the sum is 39.

The square root of 42983823 is about 6556.2049235819. The cubic root of 42983823 is about 350.2958668301.

The spelling of 42983823 in words is "forty-two million, nine hundred eighty-three thousand, eight hundred twenty-three".

Divisors: 1 3 109 327 131449 394347 14327941 42983823