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84157503 = 3233120397
BaseRepresentation
bin1010000010000…
…10010000111111
312212100122101120
411001002100333
5133021020003
612203442023
72041220103
oct501022077
9185318346
1084157503
1143560861
1224226313
1314587851
14b269903
1575c5853
hex504243f

84157503 has 8 divisors (see below), whose sum is σ = 112692528. Its totient is φ = 55863744.

The previous prime is 84157501. The next prime is 84157553. The reversal of 84157503 is 30575148.

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

It is not a de Polignac number, because 84157503 - 21 = 84157501 is a prime.

It is a super-2 number, since 2×841575032 = 14164970622390018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84157501) 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 7 ways as a sum of consecutive naturals, for example, 59500 + ... + 60897.

It is an arithmetic number, because the mean of its divisors is an integer number (14086566).

Almost surely, 284157503 is an apocalyptic number.

84157503 is a deficient number, since it is larger than the sum of its proper divisors (28535025).

84157503 is a wasteful number, since it uses less digits than its factorization.

84157503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120633.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 84157503 is about 9173.7398589670. The cubic root of 84157503 is about 438.2254682453.

The spelling of 84157503 in words is "eighty-four million, one hundred fifty-seven thousand, five hundred three".

Divisors: 1 3 233 699 120397 361191 28052501 84157503