Search a number
-
+
1400431341 = 3795908993
BaseRepresentation
bin101001101111000…
…1110001011101101
310121121011021122110
41103132032023231
510332002300331
6350544034233
746463320131
oct12336161355
93547137573
101400431341
11659563881
12331002979
1319419cbca
14d3dc53c1
1582e2c946
hex5378e2ed

1400431341 has 8 divisors (see below), whose sum is σ = 1890878080. Its totient is φ = 921802752.

The previous prime is 1400431339. The next prime is 1400431369. The reversal of 1400431341 is 1431340041.

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

It is not a de Polignac number, because 1400431341 - 21 = 1400431339 is a prime.

It is a super-2 number, since 2×14004313412 = 3922415881710116562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400431391) 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, 2954260 + ... + 2954733.

It is an arithmetic number, because the mean of its divisors is an integer number (236359760).

Almost surely, 21400431341 is an apocalyptic number.

It is an amenable number.

1400431341 is a deficient number, since it is larger than the sum of its proper divisors (490446739).

1400431341 is an equidigital number, since it uses as much as digits as its factorization.

1400431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909075.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1400431341 is about 37422.3374603992. The cubic root of 1400431341 is about 1118.8038199049.

Adding to 1400431341 its reverse (1431340041), we get a palindrome (2831771382).

The spelling of 1400431341 in words is "one billion, four hundred million, four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 3 79 237 5908993 17726979 466810447 1400431341