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121448620 = 2256072431
BaseRepresentation
bin1110011110100…
…10100010101100
322110112020012001
413033102202230
5222042323440
620015022044
73003203416
oct717224254
9273466161
10121448620
1162611167
123480a924
131c2133b7
14121b59b6
15a9deb9a
hex73d28ac

121448620 has 12 divisors (see below), whose sum is σ = 255042144. Its totient is φ = 48579440.

The previous prime is 121448617. The next prime is 121448633. The reversal of 121448620 is 26844121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036196 + ... + 3036235.

It is an arithmetic number, because the mean of its divisors is an integer number (21253512).

Almost surely, 2121448620 is an apocalyptic number.

121448620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121448620 is an abundant number, since it is smaller than the sum of its proper divisors (133593524).

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

121448620 is a wasteful number, since it uses less digits than its factorization.

121448620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072440 (or 6072438 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 121448620 is about 11020.3729519468. The cubic root of 121448620 is about 495.2192614321.

The spelling of 121448620 in words is "one hundred twenty-one million, four hundred forty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6072431 12144862 24289724 30362155 60724310 121448620