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86914378 = 2237923917
BaseRepresentation
bin1010010111000…
…11010101001010
320001112201010001
411023203111022
5134222230003
612342513214
72103521455
oct513432512
9201481101
1086914378
1145074071
122513580a
1315011635
14b78649c
15796c61d
hex52e354a

86914378 has 16 divisors (see below), whose sum is σ = 137767680. Its totient is φ = 41039856.

The previous prime is 86914367. The next prime is 86914381. The reversal of 86914378 is 87341968.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8325 + ... + 15592.

It is an arithmetic number, because the mean of its divisors is an integer number (8610480).

Almost surely, 286914378 is an apocalyptic number.

86914378 is a deficient number, since it is larger than the sum of its proper divisors (50853302).

86914378 is a wasteful number, since it uses less digits than its factorization.

86914378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021.

The product of its digits is 290304, while the sum is 46.

The square root of 86914378 is about 9322.7881022793. The cubic root of 86914378 is about 442.9593523266.

It can be divided in two parts, 869143 and 78, that added together give a triangular number (869221 = T1318).

The spelling of 86914378 in words is "eighty-six million, nine hundred fourteen thousand, three hundred seventy-eight".

Divisors: 1 2 23 46 79 158 1817 3634 23917 47834 550091 1100182 1889443 3778886 43457189 86914378