Base | Representation |
---|---|
bin | 100100110000… |
… | …1100110000000 |
3 | 1100021020010000 |
4 | 1021201212000 |
5 | 14413232422 |
6 | 1525040000 |
7 | 322553514 |
oct | 111414600 |
9 | 40236100 |
10 | 19274112 |
11 | a974a20 |
12 | 6556000 |
13 | 3cbac00 |
14 | 27ba144 |
15 | 1a5acac |
hex | 1261980 |
19274112 has 240 divisors, whose sum is σ = 67757580. Its totient is φ = 5391360.
The previous prime is 19274111. The next prime is 19274131. The reversal of 19274112 is 21147291.
It is a Harshad number since it is a multiple of its sum of digits (27).
Its product of digits (1008) is a multiple of the sum of its prime factors (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19274111) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1482618 + ... + 1482630.
Almost surely, 219274112 is an apocalyptic number.
19274112 is a gapful number since it is divisible by the number (12) 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 19274112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33878790).
19274112 is an abundant number, since it is smaller than the sum of its proper divisors (48483468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19274112 is a wasteful number, since it uses less digits than its factorization.
19274112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63 (or 29 counting only the distinct ones).
The product of its digits is 1008, while the sum is 27.
The square root of 19274112 is about 4390.2291511947. The cubic root of 19274112 is about 268.1172725046.
The spelling of 19274112 in words is "nineteen million, two hundred seventy-four thousand, one hundred twelve".
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