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86678948 = 2221669737
BaseRepresentation
bin1010010101010…
…01110110100100
320001002202011102
411022221312210
5134142211243
612333455232
72101521206
oct512516644
9201082142
1086678948
1144a231a4
1225041518
1314c5b425
14b724776
1579229b8
hex52a9da4

86678948 has 6 divisors (see below), whose sum is σ = 151688166. Its totient is φ = 43339472.

The previous prime is 86678899. The next prime is 86678981. The reversal of 86678948 is 84987668.

It can be written as a sum of positive squares in only one way, i.e., 85969984 + 708964 = 9272^2 + 842^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86678893 and 86678902.

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 as a sum of consecutive naturals, namely, 10834865 + ... + 10834872.

It is an arithmetic number, because the mean of its divisors is an integer number (25281361).

Almost surely, 286678948 is an apocalyptic number.

It is an amenable number.

86678948 is a deficient number, since it is larger than the sum of its proper divisors (65009218).

86678948 is a wasteful number, since it uses less digits than its factorization.

86678948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21669741 (or 21669739 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 86678948 is about 9310.1529525567. The cubic root of 86678948 is about 442.5590341191.

The spelling of 86678948 in words is "eighty-six million, six hundred seventy-eight thousand, nine hundred forty-eight".

Divisors: 1 2 4 21669737 43339474 86678948