Base | Representation |
---|---|
bin | 1010000110011… |
… | …1111111110100 |
3 | 2221201120100200 |
4 | 2201213333310 |
5 | 41321302022 |
6 | 4112040500 |
7 | 1023062550 |
oct | 241477764 |
9 | 87646320 |
10 | 42369012 |
11 | 21a09514 |
12 | 12233130 |
13 | 8a15c2a |
14 | 58ac860 |
15 | 3abdbac |
hex | 2867ff4 |
42369012 has 72 divisors (see below), whose sum is σ = 128856000. Its totient is φ = 11467008.
The previous prime is 42368983. The next prime is 42369017. The reversal of 42369012 is 21096324.
It is a super-2 number, since 2×423690122 = 3590266355712288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42369017) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364 + ... + 9212.
Almost surely, 242369012 is an apocalyptic number.
42369012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42369012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64428000).
42369012 is an abundant number, since it is smaller than the sum of its proper divisors (86486988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42369012 is a wasteful number, since it uses less digits than its factorization.
42369012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8885 (or 8880 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 42369012 is about 6509.1483313871. The cubic root of 42369012 is about 348.6177098745.
The spelling of 42369012 in words is "forty-two million, three hundred sixty-nine thousand, twelve".
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