Base | Representation |
---|---|
bin | 1110011110100… |
… | …10001001111000 |
3 | 22110112011000020 |
4 | 13033102021320 |
5 | 222042301112 |
6 | 20015010440 |
7 | 3003165660 |
oct | 717221170 |
9 | 273464006 |
10 | 121447032 |
11 | 6260aa53 |
12 | 34809a20 |
13 | 1c212765 |
14 | 121b51a0 |
15 | a9de48c |
hex | 73d2278 |
121447032 has 32 divisors (see below), whose sum is σ = 346992000. Its totient is φ = 34699104.
The previous prime is 121447021. The next prime is 121447063. The reversal of 121447032 is 230744121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 121446993 and 121447011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361282 + ... + 361617.
It is an arithmetic number, because the mean of its divisors is an integer number (10843500).
Almost surely, 2121447032 is an apocalyptic number.
121447032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121447032 is an abundant number, since it is smaller than the sum of its proper divisors (225544968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121447032 is a wasteful number, since it uses less digits than its factorization.
121447032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722915 (or 722911 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 121447032 is about 11020.3009033329. The cubic root of 121447032 is about 495.2171030115.
The spelling of 121447032 in words is "one hundred twenty-one million, four hundred forty-seven thousand, thirty-two".
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