Base | Representation |
---|---|
bin | 1010100010100… |
… | …10111011001101 |
3 | 20011101012111111 |
4 | 11101102323031 |
5 | 140113420140 |
6 | 12435052021 |
7 | 2122362250 |
oct | 521227315 |
9 | 204335444 |
10 | 88420045 |
11 | 45a0231a |
12 | 25741011 |
13 | 1541aa6c |
14 | ba59097 |
15 | 7b687ea |
hex | 5452ecd |
88420045 has 16 divisors (see below), whose sum is σ = 122041728. Its totient is φ = 60240960.
The previous prime is 88419979. The next prime is 88420051. The reversal of 88420045 is 54002488.
It is not a de Polignac number, because 88420045 - 211 = 88417997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 88419989 and 88420016.
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, 2551 + ... + 13540.
It is an arithmetic number, because the mean of its divisors is an integer number (7627608).
Almost surely, 288420045 is an apocalyptic number.
It is an amenable number.
88420045 is a deficient number, since it is larger than the sum of its proper divisors (33621683).
88420045 is a wasteful number, since it uses less digits than its factorization.
88420045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16260.
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 88420045 is about 9403.1933405626. The cubic root of 88420045 is about 445.5026009204.
The spelling of 88420045 in words is "eighty-eight million, four hundred twenty thousand, forty-five".
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