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84286423 = 1318313541
BaseRepresentation
bin1010000011000…
…01101111010111
312212121012020101
411001201233113
5133034131143
612210314531
72042265004
oct501415727
9185535211
1084286423
1143639701
1224288a47
1314601430
14b2a08ab
1575edb4d
hex5061bd7

84286423 has 8 divisors (see below), whose sum is σ = 90845216. Its totient is φ = 77738400.

The previous prime is 84286409. The next prime is 84286439. The reversal of 84286423 is 32468248.

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 84286423 - 29 = 84285911 is a prime.

It is a super-2 number, since 2×842864232 = 14208402204269858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84286453) 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, 22033 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (11355652).

Almost surely, 284286423 is an apocalyptic number.

84286423 is a deficient number, since it is larger than the sum of its proper divisors (6558793).

84286423 is a wasteful number, since it uses less digits than its factorization.

84286423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385.

The product of its digits is 73728, while the sum is 37.

The square root of 84286423 is about 9180.7637481857. The cubic root of 84286423 is about 438.4491250844.

The spelling of 84286423 in words is "eighty-four million, two hundred eighty-six thousand, four hundred twenty-three".

Divisors: 1 13 1831 3541 23803 46033 6483571 84286423