Base | Representation |
---|---|
bin | 1110100110001… |
… | …01110010010101 |
3 | 22112101211220010 |
4 | 13103011302111 |
5 | 222321214244 |
6 | 20052230433 |
7 | 3014523234 |
oct | 723056225 |
9 | 275354803 |
10 | 122444949 |
11 | 63131780 |
12 | 3500b419 |
13 | 1c4a1a43 |
14 | 12394b1b |
15 | ab39eb9 |
hex | 74c5c95 |
122444949 has 32 divisors (see below), whose sum is σ = 188328960. Its totient is φ = 69984000.
The previous prime is 122444941. The next prime is 122444953. The reversal of 122444949 is 949444221.
It is not a de Polignac number, because 122444949 - 23 = 122444941 is a prime.
It is a super-2 number, since 2×1224449492 = 29985531071225202, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122444941) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251184 + ... + 251670.
It is an arithmetic number, because the mean of its divisors is an integer number (5885280).
Almost surely, 2122444949 is an apocalyptic number.
122444949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
122444949 is a deficient number, since it is larger than the sum of its proper divisors (65884011).
122444949 is a wasteful number, since it uses less digits than its factorization.
122444949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921.
The product of its digits is 82944, while the sum is 39.
The square root of 122444949 is about 11065.4845804420. The cubic root of 122444949 is about 496.5697864178.
The spelling of 122444949 in words is "one hundred twenty-two million, four hundred forty-four thousand, nine hundred forty-nine".
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