Base | Representation |
---|---|
bin | 1110110011110… |
… | …11000100010001 |
3 | 22122202211211011 |
4 | 13121323010101 |
5 | 223301023144 |
6 | 20154450521 |
7 | 3035663140 |
oct | 731730421 |
9 | 278684734 |
10 | 124236049 |
11 | 64145423 |
12 | 35733a41 |
13 | 1c97b072 |
14 | 126dd757 |
15 | ad90a34 |
hex | 767b111 |
124236049 has 4 divisors (see below), whose sum is σ = 141984064. Its totient is φ = 106488036.
The previous prime is 124236043. The next prime is 124236059. The reversal of 124236049 is 940632421.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940632421 = 1471 ⋅639451.
It is a cyclic number.
It is not a de Polignac number, because 124236049 - 211 = 124234001 is a prime.
It is a super-2 number, since 2×1242360492 = 30869191742260802, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 124236049.
It is not an unprimeable number, because it can be changed into a prime (124236043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8873997 + ... + 8874010.
It is an arithmetic number, because the mean of its divisors is an integer number (35496016).
Almost surely, 2124236049 is an apocalyptic number.
It is an amenable number.
124236049 is a deficient number, since it is larger than the sum of its proper divisors (17748015).
124236049 is an equidigital number, since it uses as much as digits as its factorization.
124236049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17748014.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 124236049 is about 11146.1225993616. The cubic root of 124236049 is about 498.9793164948.
The spelling of 124236049 in words is "one hundred twenty-four million, two hundred thirty-six thousand, forty-nine".
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