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121441460 = 22574320173
BaseRepresentation
bin1110011110100…
…00110010110100
322110111212100212
413033100302310
5222042111320
620014524552
73003143510
oct717206264
9273455325
10121441460
1162606848
1234806758
131c21006a
14121b3140
15a9dc9c5
hex73d0cb4

121441460 has 48 divisors (see below), whose sum is σ = 298252416. Its totient is φ = 40666752.

The previous prime is 121441459. The next prime is 121441471. The reversal of 121441460 is 64144121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4067 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (6213592).

Almost surely, 2121441460 is an apocalyptic number.

121441460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121441460 is an abundant number, since it is smaller than the sum of its proper divisors (176810956).

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

121441460 is a wasteful number, since it uses less digits than its factorization.

121441460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20232 (or 20230 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 121441460 is about 11020.0480942689. The cubic root of 121441460 is about 495.2095293616.

Adding to 121441460 its reverse (64144121), we get a palindrome (185585581).

The spelling of 121441460 in words is "one hundred twenty-one million, four hundred forty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 20173 40346 80692 100865 141211 201730 282422 403460 564844 706055 867439 1412110 1734878 2824220 3469756 4337195 6072073 8674390 12144146 17348780 24288292 30360365 60720730 121441460