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123284164 = 2230821041
BaseRepresentation
bin1110101100100…
…10101011000100
322120222111002011
413112102223010
5223030043124
620122224004
73024620023
oct726225304
9276874064
10123284164
1163655243
1235355004
131c706a13
14125328ba
15ac53994
hex7592ac4

123284164 has 6 divisors (see below), whose sum is σ = 215747294. Its totient is φ = 61642080.

The previous prime is 123284159. The next prime is 123284173. The reversal of 123284164 is 461482321.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 55353600 = 8242^2 + 7440^2 .

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, 15410517 + ... + 15410524.

Almost surely, 2123284164 is an apocalyptic number.

It is an amenable number.

123284164 is a deficient number, since it is larger than the sum of its proper divisors (92463130).

123284164 is a wasteful number, since it uses less digits than its factorization.

123284164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30821045 (or 30821043 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 123284164 is about 11103.3402181506. The cubic root of 123284164 is about 497.7016702144.

The spelling of 123284164 in words is "one hundred twenty-three million, two hundred eighty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 30821041 61642082 123284164