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84722023 = 1311514283
BaseRepresentation
bin1010000110011…
…00000101100111
312220102022202201
411003030011213
5133142101043
612223515331
72046060661
oct503140547
9186368681
1084722023
1143906a01
1224458b47
1314724799
14b375531
157687c4d
hex50cc167

84722023 has 8 divisors (see below), whose sum is σ = 85954176. Its totient is φ = 83499000.

The previous prime is 84722009. The next prime is 84722051. The reversal of 84722023 is 32022748.

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

It is a cyclic number.

It is not a de Polignac number, because 84722023 - 25 = 84721991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84721982 and 84722000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84722063) 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, 17640 + ... + 21922.

It is an arithmetic number, because the mean of its divisors is an integer number (10744272).

Almost surely, 284722023 is an apocalyptic number.

84722023 is a deficient number, since it is larger than the sum of its proper divisors (1232153).

84722023 is a wasteful number, since it uses less digits than its factorization.

84722023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 84722023 is about 9204.4566922768. The cubic root of 84722023 is about 439.2031427867.

The spelling of 84722023 in words is "eighty-four million, seven hundred twenty-two thousand, twenty-three".

Divisors: 1 131 151 4283 19781 561073 646733 84722023