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124424424 = 2334192013
BaseRepresentation
bin1110110101010…
…01000011101000
322200010102020000
413122221003220
5223323040144
620202503000
73040406265
oct732510350
9280112200
10124424424
1164263a03
1235804a60
131ca15a27
141274c26c
15adcb769
hex76a90e8

124424424 has 40 divisors (see below), whose sum is σ = 348505410. Its totient is φ = 41474592.

The previous prime is 124424423. The next prime is 124424437. The reversal of 124424424 is 424424421.

It can be written as a sum of positive squares in only one way, i.e., 65901924 + 58522500 = 8118^2 + 7650^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (124424423) 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 9 ways as a sum of consecutive naturals, for example, 95359 + ... + 96654.

Almost surely, 2124424424 is an apocalyptic number.

It is an amenable number.

124424424 is an abundant number, since it is smaller than the sum of its proper divisors (224080986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124424424 is a wasteful number, since it uses less digits than its factorization.

124424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192031 (or 192018 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 124424424 is about 11154.5696465619. The cubic root of 124424424 is about 499.2313843989.

Adding to 124424424 its reverse (424424421), we get a palindrome (548848845).

The spelling of 124424424 in words is "one hundred twenty-four million, four hundred twenty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 192013 384026 576039 768052 1152078 1536104 1728117 2304156 3456234 4608312 5184351 6912468 10368702 13824936 15553053 20737404 31106106 41474808 62212212 124424424