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84285029 = 151558179
BaseRepresentation
bin1010000011000…
…01011001100101
312212121010022202
411001201121211
5133034110104
612210304245
72042260643
oct501413145
9185533282
1084285029
1143638654
1224288085
13146008ca
14b2a0193
1575ed51e
hex5061665

84285029 has 4 divisors (see below), whose sum is σ = 84843360. Its totient is φ = 83726700.

The previous prime is 84285017. The next prime is 84285037. The reversal of 84285029 is 92058248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84285029 - 220 = 83236453 is a prime.

It is a super-2 number, since 2×842850292 = 14207932227061682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84284983 and 84285001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84285059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278939 + ... + 279240.

It is an arithmetic number, because the mean of its divisors is an integer number (21210840).

Almost surely, 284285029 is an apocalyptic number.

It is an amenable number.

84285029 is a deficient number, since it is larger than the sum of its proper divisors (558331).

84285029 is a wasteful number, since it uses less digits than its factorization.

84285029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558330.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 84285029 is about 9180.6878282621. The cubic root of 84285029 is about 438.4467079238.

The spelling of 84285029 in words is "eighty-four million, two hundred eighty-five thousand, twenty-nine".

Divisors: 1 151 558179 84285029