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142723488 = 2535328051
BaseRepresentation
bin10001000000111…
…00100110100000
3100221120002211010
420200130212200
5243014122423
622055020520
73352062315
oct1040344640
9327502733
10142723488
11736222a6
123b96a740
1323751b8b
1414d52d0c
15c7e3693
hex881c9a0

142723488 has 48 divisors (see below), whose sum is σ = 381731616. Its totient is φ = 46675200.

The previous prime is 142723463. The next prime is 142723499. The reversal of 142723488 is 884327241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1427234882 = 40739988053772288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8938 + ... + 19113.

It is an arithmetic number, because the mean of its divisors is an integer number (7952742).

Almost surely, 2142723488 is an apocalyptic number.

It is an amenable number.

142723488 is an abundant number, since it is smaller than the sum of its proper divisors (239008128).

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

142723488 is a wasteful number, since it uses less digits than its factorization.

142723488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28117 (or 28109 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 142723488 is about 11946.6936011601. The cubic root of 142723488 is about 522.5948797122.

The spelling of 142723488 in words is "one hundred forty-two million, seven hundred twenty-three thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 159 212 318 424 636 848 1272 1696 2544 5088 28051 56102 84153 112204 168306 224408 336612 448816 673224 897632 1346448 1486703 2692896 2973406 4460109 5946812 8920218 11893624 17840436 23787248 35680872 47574496 71361744 142723488