Base | Representation |
---|---|
bin | 1000010000000… |
… | …10001110000000 |
3 | 11211020111021101 |
4 | 10020002032000 |
5 | 120204340404 |
6 | 10511304144 |
7 | 1500214210 |
oct | 410021600 |
9 | 154214241 |
10 | 69215104 |
11 | 36085372 |
12 | 1b21b054 |
13 | 114554aa |
14 | 929a240 |
15 | 61232a4 |
hex | 4202380 |
69215104 has 32 divisors (see below), whose sum is σ = 157590000. Its totient is φ = 29663232.
The previous prime is 69215101. The next prime is 69215129. The reversal of 69215104 is 40151296.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69215101) 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, 37729 + ... + 39520.
Almost surely, 269215104 is an apocalyptic number.
69215104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
69215104 is an abundant number, since it is smaller than the sum of its proper divisors (88374896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69215104 is an equidigital number, since it uses as much as digits as its factorization.
69215104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77270 (or 77258 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 69215104 is about 8319.5615269075. The cubic root of 69215104 is about 410.5823649599.
The spelling of 69215104 in words is "sixty-nine million, two hundred fifteen thousand, one hundred four".
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