Base | Representation |
---|---|
bin | 1000000010111… |
… | …01010001010000 |
3 | 11200222220002211 |
4 | 10001131101100 |
5 | 114234202041 |
6 | 10410321504 |
7 | 1446443314 |
oct | 401352120 |
9 | 150886084 |
10 | 67490896 |
11 | 35107a00 |
12 | 1a729294 |
13 | 10ca0755 |
14 | 8d6bb44 |
15 | 5dd2481 |
hex | 405d450 |
67490896 has 60 divisors (see below), whose sum is σ = 146053152. Its totient is φ = 30184000.
The previous prime is 67490893. The next prime is 67490897. The reversal of 67490896 is 69809476.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67490893) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137211 + ... + 137701.
Almost surely, 267490896 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67490896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73026576).
67490896 is an abundant number, since it is smaller than the sum of its proper divisors (78562256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67490896 is a wasteful number, since it uses less digits than its factorization.
67490896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 592 (or 575 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 67490896 is about 8215.2842920985. The cubic root of 67490896 is about 407.1443364381.
It can be divided in two parts, 67490 and 896, that added together give a palindrome (68386).
The spelling of 67490896 in words is "sixty-seven million, four hundred ninety thousand, eight hundred ninety-six".
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