Search a number
-
+
1400124423 = 310322719961
BaseRepresentation
bin101001101110100…
…0011010000000111
310121120120200122010
41103131003100013
510331412440143
6350533305303
746460601255
oct12335032007
93546520563
101400124423
11659374225
12330a95233
131940c32b9
14d3d455d5
1582dbba33
hex53743407

1400124423 has 16 divisors (see below), whose sum is σ = 1893355776. Its totient is φ = 920235840.

The previous prime is 1400124413. The next prime is 1400124443. The reversal of 1400124423 is 3244210041.

It is not a de Polignac number, because 1400124423 - 25 = 1400124391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400124423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400124413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60163 + ... + 80123.

It is an arithmetic number, because the mean of its divisors is an integer number (118334736).

Almost surely, 21400124423 is an apocalyptic number.

1400124423 is a deficient number, since it is larger than the sum of its proper divisors (493231353).

1400124423 is a wasteful number, since it uses less digits than its factorization.

1400124423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20294.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1400124423 is about 37418.2365030743. The cubic root of 1400124423 is about 1118.7220817269.

Adding to 1400124423 its reverse (3244210041), we get a palindrome (4644334464).

The spelling of 1400124423 in words is "one billion, four hundred million, one hundred twenty-four thousand, four hundred twenty-three".

Divisors: 1 3 103 227 309 681 19961 23381 59883 70143 2055983 4531147 6167949 13593441 466708141 1400124423