Base | Representation |
---|---|
bin | 1010101010001… |
… | …11001001111111 |
3 | 20020021000202020 |
4 | 11111013021333 |
5 | 140342423130 |
6 | 12512331223 |
7 | 2134026630 |
oct | 525071177 |
9 | 206230666 |
10 | 89420415 |
11 | 46525977 |
12 | 25b43b13 |
13 | 156ab1b6 |
14 | bc39887 |
15 | 7cb4e10 |
hex | 554727f |
89420415 has 16 divisors (see below), whose sum is σ = 163511808. Its totient is φ = 40877856.
The previous prime is 89420371. The next prime is 89420423. The reversal of 89420415 is 51402498.
It is not a de Polignac number, because 89420415 - 26 = 89420351 is a prime.
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, 425707 + ... + 425916.
It is an arithmetic number, because the mean of its divisors is an integer number (10219488).
Almost surely, 289420415 is an apocalyptic number.
89420415 is a deficient number, since it is larger than the sum of its proper divisors (74091393).
89420415 is a wasteful number, since it uses less digits than its factorization.
89420415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851638.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 89420415 is about 9456.2368307906. The cubic root of 89420415 is about 447.1764189096.
The spelling of 89420415 in words is "eighty-nine million, four hundred twenty thousand, four hundred fifteen".
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