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1400032141 = 4332558887
BaseRepresentation
bin101001101110010…
…1100101110001101
310121120102000001021
41103130230232031
510331402012031
6350531314141
746460035234
oct12334545615
93546360037
101400032141
11659310962
12330a4b951
131940902b1
14d3d1db1b
1582d9e511
hex5372cb8d

1400032141 has 4 divisors (see below), whose sum is σ = 1432591072. Its totient is φ = 1367473212.

The previous prime is 1400032087. The next prime is 1400032163. The reversal of 1400032141 is 1412300041.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1400032141 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 (1400032171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16279401 + ... + 16279486.

It is an arithmetic number, because the mean of its divisors is an integer number (358147768).

Almost surely, 21400032141 is an apocalyptic number.

It is an amenable number.

1400032141 is a deficient number, since it is larger than the sum of its proper divisors (32558931).

1400032141 is an equidigital number, since it uses as much as digits as its factorization.

1400032141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32558930.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400032141 is about 37417.0033674531. The cubic root of 1400032141 is about 1118.6975029162.

Adding to 1400032141 its reverse (1412300041), we get a palindrome (2812332182).

The spelling of 1400032141 in words is "one billion, four hundred million, thirty-two thousand, one hundred forty-one".

Divisors: 1 43 32558887 1400032141