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142162044 = 22324149157
BaseRepresentation
bin10000111100100…
…11100001111100
3100220111120122220
420132103201330
5242343141134
622035005340
73344233413
oct1036234174
9326446586
10142162044
11732794a2
123b739850
13235b646b
1414c4847a
15c732149
hex879387c

142162044 has 24 divisors (see below), whose sum is σ = 333094608. Its totient is φ = 47189760.

The previous prime is 142162043. The next prime is 142162061. The reversal of 142162044 is 440261241.

It is a happy number.

142162044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142162043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21687 + ... + 27470.

It is an arithmetic number, because the mean of its divisors is an integer number (13878942).

Almost surely, 2142162044 is an apocalyptic number.

It is an amenable number.

142162044 is an abundant number, since it is smaller than the sum of its proper divisors (190932564).

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

142162044 is a wasteful number, since it uses less digits than its factorization.

142162044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49405 (or 49403 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142162044 is about 11923.1725643807. The cubic root of 142162044 is about 521.9087199649.

The spelling of 142162044 in words is "one hundred forty-two million, one hundred sixty-two thousand, forty-four".

Divisors: 1 2 3 4 6 12 241 482 723 964 1446 2892 49157 98314 147471 196628 294942 589884 11846837 23693674 35540511 47387348 71081022 142162044