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1328154142 = 27313897867
BaseRepresentation
bin100111100101010…
…0000011000011110
310102120011012222011
41033022200120132
510210001413032
6335442541434
744625060340
oct11712403036
93376135864
101328154142
11621787957
1231096787a
13182214a33
14c856d290
157b902247
hex4f2a061e

1328154142 has 32 divisors (see below), whose sum is σ = 2356623360. Its totient is φ = 549361440.

The previous prime is 1328154137. The next prime is 1328154181. The reversal of 1328154142 is 2414518231.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164893 + ... + 172759.

It is an arithmetic number, because the mean of its divisors is an integer number (73644480).

Almost surely, 21328154142 is an apocalyptic number.

1328154142 is a deficient number, since it is larger than the sum of its proper divisors (1028469218).

1328154142 is a wasteful number, since it uses less digits than its factorization.

1328154142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8296.

The product of its digits is 7680, while the sum is 31.

The square root of 1328154142 is about 36443.8491655313. The cubic root of 1328154142 is about 1099.2154576614.

The spelling of 1328154142 in words is "one billion, three hundred twenty-eight million, one hundred fifty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 31 62 217 389 434 778 2723 5446 7867 12059 15734 24118 55069 84413 110138 168826 243877 487754 1707139 3060263 3414278 6120526 21421841 42843682 94868153 189736306 664077071 1328154142