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1421174442 = 23236862407
BaseRepresentation
bin101010010110101…
…0110011010101010
310200001012010211110
41110231112122222
510402310040232
6353004411150
750134532502
oct12455263252
93601163743
101421174442
1166a241436
12337b46ab6
1319858362c
14d6a64a02
1584b78acc
hex54b566aa

1421174442 has 8 divisors (see below), whose sum is σ = 2842348896. Its totient is φ = 473724812.

The previous prime is 1421174441. The next prime is 1421174471. The reversal of 1421174442 is 2444711241.

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

1421174442 is an admirable number.

It is a super-2 number, since 2×14211744422 = 4039473589188022728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421174441) 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, 118431198 + ... + 118431209.

It is an arithmetic number, because the mean of its divisors is an integer number (355293612).

Almost surely, 21421174442 is an apocalyptic number.

1421174442 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.

1421174442 is a wasteful number, since it uses less digits than its factorization.

1421174442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236862412.

The product of its digits is 7168, while the sum is 30.

The square root of 1421174442 is about 37698.4673693772. The cubic root of 1421174442 is about 1124.3006529517.

Adding to 1421174442 its reverse (2444711241), we get a palindrome (3865885683).

The spelling of 1421174442 in words is "one billion, four hundred twenty-one million, one hundred seventy-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 236862407 473724814 710587221 1421174442