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124424401 = 841914779
BaseRepresentation
bin1110110101010…
…01000011010001
322200010102012011
413122221003101
5223323040101
620202502521
73040406233
oct732510321
9280112164
10124424401
1164263992
1235804a41
131ca15a0a
141274c253
15adcb751
hex76a90d1

124424401 has 4 divisors (see below), whose sum is σ = 124447600. Its totient is φ = 124401204.

The previous prime is 124424393. The next prime is 124424423. The reversal of 124424401 is 104424421.

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: 104424421 = 176142613.

It is a cyclic number.

It is not a de Polignac number, because 124424401 - 23 = 124424393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124424441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030 + ... + 15808.

It is an arithmetic number, because the mean of its divisors is an integer number (31111900).

Almost surely, 2124424401 is an apocalyptic number.

It is an amenable number.

124424401 is a deficient number, since it is larger than the sum of its proper divisors (23199).

124424401 is an equidigital number, since it uses as much as digits as its factorization.

124424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23198.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 124424401 is about 11154.5686155942. The cubic root of 124424401 is about 499.2313536377.

Adding to 124424401 its reverse (104424421), we get a palindrome (228848822).

The spelling of 124424401 in words is "one hundred twenty-four million, four hundred twenty-four thousand, four hundred one".

Divisors: 1 8419 14779 124424401