Base | Representation |
---|---|
bin | 10000101010101… |
… | …11100000011000 |
3 | 100202002112122200 |
4 | 20111113200120 |
5 | 241243202112 |
6 | 21512450200 |
7 | 3315304443 |
oct | 1025274030 |
9 | 322075580 |
10 | 139819032 |
11 | 71a19121 |
12 | 3a9a9960 |
13 | 22c75b72 |
14 | 147d865a |
15 | c41ccdc |
hex | 8557818 |
139819032 has 24 divisors (see below), whose sum is σ = 378676740. Its totient is φ = 46606320.
The previous prime is 139819003. The next prime is 139819037. The reversal of 139819032 is 230918931.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139819037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 970894 + ... + 971037.
Almost surely, 2139819032 is an apocalyptic number.
139819032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
139819032 is an abundant number, since it is smaller than the sum of its proper divisors (238857708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139819032 is a wasteful number, since it uses less digits than its factorization.
139819032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1941943 (or 1941936 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 139819032 is about 11824.5097995646. The cubic root of 139819032 is about 519.0255815072.
The spelling of 139819032 in words is "one hundred thirty-nine million, eight hundred nineteen thousand, thirty-two".
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