Search a number
-
+
124434890 = 2512443489
BaseRepresentation
bin1110110101010…
…11100111001010
322200010221120122
413122223213022
5223323404030
620203023242
73040451636
oct732534712
9280127518
10124434890
1164270858
123580ab22
131ca1a718
1412751dc6
15adce8e5
hex76ab9ca

124434890 has 8 divisors (see below), whose sum is σ = 223982820. Its totient is φ = 49773952.

The previous prime is 124434887. The next prime is 124434907. The reversal of 124434890 is 98434421.

It can be written as a sum of positive squares in 2 ways, for example, as 124300201 + 134689 = 11149^2 + 367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 124434890.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6221735 + ... + 6221754.

Almost surely, 2124434890 is an apocalyptic number.

124434890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124434890 is a deficient number, since it is larger than the sum of its proper divisors (99547930).

124434890 is a wasteful number, since it uses less digits than its factorization.

124434890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12443496.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 124434890 is about 11155.0387717838. The cubic root of 124434890 is about 499.2453816753.

The spelling of 124434890 in words is "one hundred twenty-four million, four hundred thirty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 12443489 24886978 62217445 124434890