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1401014442 = 23233502407
BaseRepresentation
bin101001110000001…
…1100100010101010
310121122020220111210
41103200130202222
510332124430232
6351004333550
746501266132
oct12340344252
93548226453
101401014442
11659921983
123312442b6
13194345439
14d40d7ac2
1582ee55cc
hex5381c8aa

1401014442 has 8 divisors (see below), whose sum is σ = 2802028896. Its totient is φ = 467004812.

The previous prime is 1401014441. The next prime is 1401014449. The reversal of 1401014442 is 2444101041.

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

1401014442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1401014441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116751198 + ... + 116751209.

It is an arithmetic number, because the mean of its divisors is an integer number (350253612).

Almost surely, 21401014442 is an apocalyptic number.

1401014442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401014442 is a wasteful number, since it uses less digits than its factorization.

1401014442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233502412.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1401014442 is about 37430.1274643836. The cubic root of 1401014442 is about 1118.9590780468.

Adding to 1401014442 its reverse (2444101041), we get a palindrome (3845115483).

The spelling of 1401014442 in words is "one billion, four hundred one million, fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 233502407 467004814 700507221 1401014442