[go: up one dir, main page]

Search a number
-
+
124331405 = 5112260571
BaseRepresentation
bin1110110100100…
…10010110001101
322122221200121212
413122102112031
5223312101110
620200504205
73036541142
oct732222615
9278850555
10124331405
1164200030
123577b065
131c9b25a3
14127263c9
15adade05
hex769258d

124331405 has 8 divisors (see below), whose sum is σ = 162761184. Its totient is φ = 90422800.

The previous prime is 124331401. The next prime is 124331407. The reversal of 124331405 is 504133421.

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

It is not a de Polignac number, because 124331405 - 22 = 124331401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124331401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130231 + ... + 1130340.

It is an arithmetic number, because the mean of its divisors is an integer number (20345148).

Almost surely, 2124331405 is an apocalyptic number.

It is an amenable number.

124331405 is a deficient number, since it is larger than the sum of its proper divisors (38429779).

124331405 is a wasteful number, since it uses less digits than its factorization.

124331405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260587.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 124331405 is about 11150.3993202037. The cubic root of 124331405 is about 499.1069458583.

Adding to 124331405 its reverse (504133421), we get a palindrome (628464826).

The spelling of 124331405 in words is "one hundred twenty-four million, three hundred thirty-one thousand, four hundred five".

Divisors: 1 5 11 55 2260571 11302855 24866281 124331405