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1400051001 = 3466683667
BaseRepresentation
bin101001101110011…
…0001010100111001
310121120102221220210
41103130301110321
510331403113001
6350531541333
746460144226
oct12334612471
93546387823
101400051001
11659324048
12330a5a849
13194098a5b
14d3d2694d
1582da4dd6
hex53731539

1400051001 has 4 divisors (see below), whose sum is σ = 1866734672. Its totient is φ = 933367332.

The previous prime is 1400050987. The next prime is 1400051017. The reversal of 1400051001 is 1001500041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1400051001 - 25 = 1400050969 is a prime.

It is a super-2 number, since 2×14000510012 = 3920285610802204002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400051071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233341831 + ... + 233341836.

It is an arithmetic number, because the mean of its divisors is an integer number (466683668).

Almost surely, 21400051001 is an apocalyptic number.

It is an amenable number.

1400051001 is a deficient number, since it is larger than the sum of its proper divisors (466683671).

1400051001 is an equidigital number, since it uses as much as digits as its factorization.

1400051001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466683670.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1400051001 is about 37417.2553910626. The cubic root of 1400051001 is about 1118.7025262628.

Adding to 1400051001 its reverse (1001500041), we get a palindrome (2401551042).

The spelling of 1400051001 in words is "one billion, four hundred million, fifty-one thousand, one".

Divisors: 1 3 466683667 1400051001