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124320203 = 722537147
BaseRepresentation
bin1110110100011…
…11100111001011
322122221010020222
413122033213023
5223311221303
620200340255
73036463400
oct732174713
9278833228
10124320203
11641a2677
123577468b
131c9aa467
14127222a7
15adaa938
hex768f9cb

124320203 has 6 divisors (see below), whose sum is σ = 144617436. Its totient is φ = 106560132.

The previous prime is 124320151. The next prime is 124320253. The reversal of 124320203 is 302023421.

It is not a de Polignac number, because 124320203 - 210 = 124319179 is a prime.

It is a super-2 number, since 2×1243202032 = 30911025747922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124320253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1268525 + ... + 1268622.

It is an arithmetic number, because the mean of its divisors is an integer number (24102906).

Almost surely, 2124320203 is an apocalyptic number.

124320203 is a deficient number, since it is larger than the sum of its proper divisors (20297233).

124320203 is an equidigital number, since it uses as much as digits as its factorization.

124320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537161 (or 2537154 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 124320203 is about 11149.8969950399. The cubic root of 124320203 is about 499.0919559102.

Adding to 124320203 its reverse (302023421), we get a palindrome (426343624).

It can be divided in two parts, 124320 and 203, that multiplied together give a triangular number (25236960 = T7104).

The spelling of 124320203 in words is "one hundred twenty-four million, three hundred twenty thousand, two hundred three".

Divisors: 1 7 49 2537147 17760029 124320203