Base | Representation |
---|---|
bin | 1010011101011… |
… | …00111000101100 |
3 | 20010002122120201 |
4 | 11032230320230 |
5 | 134430134243 |
6 | 12412323244 |
7 | 2113530412 |
oct | 516547054 |
9 | 203078521 |
10 | 87739948 |
11 | 4558835a |
12 | 25473524 |
13 | 1524033a |
14 | b91d2b2 |
15 | 7a8204d |
hex | 53ace2c |
87739948 has 12 divisors (see below), whose sum is σ = 161626360. Its totient is φ = 41560992.
The previous prime is 87739943. The next prime is 87739969. The reversal of 87739948 is 84993778.
It is not an unprimeable number, because it can be changed into a prime (87739943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577161 + ... + 577312.
Almost surely, 287739948 is an apocalyptic number.
It is an amenable number.
87739948 is a deficient number, since it is larger than the sum of its proper divisors (73886412).
87739948 is a wasteful number, since it uses less digits than its factorization.
87739948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1154496 (or 1154494 counting only the distinct ones).
The product of its digits is 3048192, while the sum is 55.
The square root of 87739948 is about 9366.9604461640. The cubic root of 87739948 is about 444.3574415160.
It can be divided in two parts, 8773 and 9948, that added together give a triangular number (18721 = T193).
The spelling of 87739948 in words is "eighty-seven million, seven hundred thirty-nine thousand, nine hundred forty-eight".
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