Base | Representation |
---|---|
bin | 100100100000… |
… | …0001101011100 |
3 | 1100000021112120 |
4 | 1021000031130 |
5 | 14344343442 |
6 | 1522102540 |
7 | 321444042 |
oct | 111001534 |
9 | 40007476 |
10 | 19137372 |
11 | a891211 |
12 | 64aaa50 |
13 | 3c708b7 |
14 | 2782392 |
15 | 1a304ec |
hex | 124035c |
19137372 has 24 divisors (see below), whose sum is σ = 44754192. Its totient is φ = 6364800.
The previous prime is 19137353. The next prime is 19137373. The reversal of 19137372 is 27373191.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19137373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4722 + ... + 7782.
It is an arithmetic number, because the mean of its divisors is an integer number (1864758).
Almost surely, 219137372 is an apocalyptic number.
19137372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19137372 is an abundant number, since it is smaller than the sum of its proper divisors (25616820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19137372 is a wasteful number, since it uses less digits than its factorization.
19137372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3589 (or 3587 counting only the distinct ones).
The product of its digits is 7938, while the sum is 33.
The square root of 19137372 is about 4374.6282127742. The cubic root of 19137372 is about 267.4817153484.
The spelling of 19137372 in words is "nineteen million, one hundred thirty-seven thousand, three hundred seventy-two".
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