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142719484 = 2235679871
BaseRepresentation
bin10001000000110…
…11100111111100
3100221112220022211
420200123213330
5243014010414
622054550204
73352044535
oct1040334774
9327486284
10142719484
117361a296
123b968364
13237500cb
1414d5168c
15c7e23c4
hex881b9fc

142719484 has 6 divisors (see below), whose sum is σ = 249759104. Its totient is φ = 71359740.

The previous prime is 142719457. The next prime is 142719491. The reversal of 142719484 is 484917241.

142719484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1427194842 = 40737702226452512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17839932 + ... + 17839939.

Almost surely, 2142719484 is an apocalyptic number.

It is an amenable number.

142719484 is a deficient number, since it is larger than the sum of its proper divisors (107039620).

142719484 is a wasteful number, since it uses less digits than its factorization.

142719484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35679875 (or 35679873 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 142719484 is about 11946.5260222376. The cubic root of 142719484 is about 522.5899926645.

The spelling of 142719484 in words is "one hundred forty-two million, seven hundred nineteen thousand, four hundred eighty-four".

Divisors: 1 2 4 35679871 71359742 142719484