Base | Representation |
---|---|
bin | 1000001111100… |
… | …01100101110101 |
3 | 11211010000211220 |
4 | 10013301211311 |
5 | 120200200442 |
6 | 10510020553 |
7 | 1466511513 |
oct | 407614565 |
9 | 154100756 |
10 | 69146997 |
11 | 36039187 |
12 | 1b1a7759 |
13 | 114304aa |
14 | 927d4b3 |
15 | 610ceec |
hex | 41f1975 |
69146997 has 16 divisors (see below), whose sum is σ = 94205760. Its totient is φ = 45100800.
The previous prime is 69146989. The next prime is 69146999. The reversal of 69146997 is 79964196.
It is not a de Polignac number, because 69146997 - 23 = 69146989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69146999) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41847 + ... + 43467.
It is an arithmetic number, because the mean of its divisors is an integer number (5887860).
Almost surely, 269146997 is an apocalyptic number.
It is an amenable number.
69146997 is a deficient number, since it is larger than the sum of its proper divisors (25058763).
69146997 is a wasteful number, since it uses less digits than its factorization.
69146997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1924.
The product of its digits is 734832, while the sum is 51.
The square root of 69146997 is about 8315.4673350330. The cubic root of 69146997 is about 410.4476510585.
The spelling of 69146997 in words is "sixty-nine million, one hundred forty-six thousand, nine hundred ninety-seven".
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