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87342734 = 2192298493
BaseRepresentation
bin1010011010010…
…11111010001110
320002100110201002
411031023322032
5134324431414
612400020302
72110254353
oct515137216
9202313632
1087342734
1145336986
1225301692
13151315bb
14b85862a
157a044de
hex534be8e

87342734 has 8 divisors (see below), whose sum is σ = 137909640. Its totient is φ = 41372856.

The previous prime is 87342733. The next prime is 87342743. The reversal of 87342734 is 43724378.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 2298493 = 87342734 / (8 + 7 + 3 + 4 + 2 + 7 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87342733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149209 + ... + 1149284.

It is an arithmetic number, because the mean of its divisors is an integer number (17238705).

Almost surely, 287342734 is an apocalyptic number.

87342734 is a deficient number, since it is larger than the sum of its proper divisors (50566906).

87342734 is a wasteful number, since it uses less digits than its factorization.

87342734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298514.

The product of its digits is 112896, while the sum is 38.

The square root of 87342734 is about 9345.7334650631. The cubic root of 87342734 is about 443.6858659148.

The spelling of 87342734 in words is "eighty-seven million, three hundred forty-two thousand, seven hundred thirty-four".

Divisors: 1 2 19 38 2298493 4596986 43671367 87342734