Base | Representation |
---|---|
bin | 1010010011101100101… |
… | …00011010100000111000 |
3 | 1020212011212211010102111 |
4 | 11021312110122200320 |
5 | 21300321112144430 |
6 | 430412103142104 |
7 | 34405502366026 |
oct | 5116624324070 |
9 | 1225155733374 |
10 | 354172381240 |
11 | 127227092107 |
12 | 58783744934 |
13 | 27524127172 |
14 | 131dba59716 |
15 | 932d4c9c2a |
hex | 527651a838 |
354172381240 has 64 divisors (see below), whose sum is σ = 826528937760. Its totient is φ = 136475251200.
The previous prime is 354172381237. The next prime is 354172381247. The reversal of 354172381240 is 42183271453.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 354172381193 and 354172381202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (354172381247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035202 + ... + 1334161.
Almost surely, 2354172381240 is an apocalyptic number.
It is an amenable number.
354172381240 is an abundant number, since it is smaller than the sum of its proper divisors (472356556520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
354172381240 is a wasteful number, since it uses less digits than its factorization.
354172381240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2369512 (or 2369508 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 40.
The spelling of 354172381240 in words is "three hundred fifty-four billion, one hundred seventy-two million, three hundred eighty-one thousand, two hundred forty".
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