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86377838 = 2192273101
BaseRepresentation
bin1010010011000…
…00010101101110
320000112110010012
411021200111232
5134103042323
612323213222
72066125301
oct511402556
9200473105
1086377838
1144837a48
1224b17212
1314b84361
14b686b38
1578b3678
hex526056e

86377838 has 8 divisors (see below), whose sum is σ = 136386120. Its totient is φ = 40915800.

The previous prime is 86377831. The next prime is 86377843. The reversal of 86377838 is 83877368.

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

It is a super-3 number, since 3×863778383 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86377831) 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, 1136513 + ... + 1136588.

It is an arithmetic number, because the mean of its divisors is an integer number (17048265).

Almost surely, 286377838 is an apocalyptic number.

86377838 is a deficient number, since it is larger than the sum of its proper divisors (50008282).

86377838 is a wasteful number, since it uses less digits than its factorization.

86377838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273122.

The product of its digits is 1354752, while the sum is 50.

The square root of 86377838 is about 9293.9678286510. The cubic root of 86377838 is about 442.0459777591.

The spelling of 86377838 in words is "eighty-six million, three hundred seventy-seven thousand, eight hundred thirty-eight".

Divisors: 1 2 19 38 2273101 4546202 43188919 86377838