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111470868 = 22323096413
BaseRepresentation
bin1101010010011…
…10100100010100
321202202022021200
412221032210110
5212014031433
615021112500
72522325645
oct651164424
9252668250
10111470868
1157a16793
12313b8730
131a12b9c2
1410b396cc
159bbd613
hex6a4e914

111470868 has 18 divisors (see below), whose sum is σ = 281773674. Its totient is φ = 37156944.

The previous prime is 111470861. The next prime is 111470869. The reversal of 111470868 is 868074111.

It can be written as a sum of positive squares in only one way, i.e., 101848464 + 9622404 = 10092^2 + 3102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3096413 = 111470868 / (1 + 1 + 1 + 4 + 7 + 0 + 8 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111470861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1548171 + ... + 1548242.

It is an arithmetic number, because the mean of its divisors is an integer number (15654093).

Almost surely, 2111470868 is an apocalyptic number.

111470868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

111470868 is an abundant number, since it is smaller than the sum of its proper divisors (170302806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111470868 is a wasteful number, since it uses less digits than its factorization.

111470868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096423 (or 3096418 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 111470868 is about 10557.9765106767. The cubic root of 111470868 is about 481.2681570031.

The spelling of 111470868 in words is "one hundred eleven million, four hundred seventy thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 3096413 6192826 9289239 12385652 18578478 27867717 37156956 55735434 111470868