Base | Representation |
---|---|
bin | 1110100100100… |
… | …11101000000000 |
3 | 22112000102001110 |
4 | 13102103220000 |
5 | 222243130423 |
6 | 20044003320 |
7 | 3013006230 |
oct | 722235000 |
9 | 275012043 |
10 | 122239488 |
11 | 63001378 |
12 | 34b30540 |
13 | 1c42c377 |
14 | 1233dcc0 |
15 | aae9193 |
hex | 7493a00 |
122239488 has 80 divisors (see below), whose sum is σ = 372208320. Its totient is φ = 34922496.
The previous prime is 122239487. The next prime is 122239499. The reversal of 122239488 is 884932221.
It is a super-5 number, since 5×1222394885 (a number of 42 digits) contains 55555 as substring.
It is not an unprimeable number, because it can be changed into a prime (122239487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5068 + ... + 16436.
It is an arithmetic number, because the mean of its divisors is an integer number (4652604).
Almost surely, 2122239488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122239488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186104160).
122239488 is an abundant number, since it is smaller than the sum of its proper divisors (249968832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122239488 is an equidigital number, since it uses as much as digits as its factorization.
122239488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11397 (or 11381 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The square root of 122239488 is about 11056.1968144566. The cubic root of 122239488 is about 496.2918850835.
It can be divided in two parts, 12 and 2239488, that multiplied together give a 4-th power (26873856 = 724).
The spelling of 122239488 in words is "one hundred twenty-two million, two hundred thirty-nine thousand, four hundred eighty-eight".
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