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87293469 = 341709703
BaseRepresentation
bin1010011001111…
…11111000011101
320002020222010110
411030333320131
5134321342334
612355000233
72106660624
oct514777035
9202228113
1087293469
114530296a
1225299079
1315115053
14b8446bb
1579e4ae9
hex533fe1d

87293469 has 8 divisors (see below), whose sum is σ = 119230272. Its totient is φ = 56776160.

The previous prime is 87293449. The next prime is 87293477. The reversal of 87293469 is 96439278.

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 87293469 - 29 = 87292957 is a prime.

It is a super-2 number, since 2×872934692 = 15240299460107922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87293449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354729 + ... + 354974.

It is an arithmetic number, because the mean of its divisors is an integer number (14903784).

Almost surely, 287293469 is an apocalyptic number.

It is an amenable number.

87293469 is a deficient number, since it is larger than the sum of its proper divisors (31936803).

87293469 is a wasteful number, since it uses less digits than its factorization.

87293469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709747.

The product of its digits is 653184, while the sum is 48.

The square root of 87293469 is about 9343.0973986147. The cubic root of 87293469 is about 443.6024310213.

The spelling of 87293469 in words is "eighty-seven million, two hundred ninety-three thousand, four hundred sixty-nine".

Divisors: 1 3 41 123 709703 2129109 29097823 87293469