Base | Representation |
---|---|
bin | 1000100110000… |
… | …00011011001101 |
3 | 12000122121201200 |
4 | 10103000123031 |
5 | 121423410331 |
6 | 11053100113 |
7 | 1533523560 |
oct | 423003315 |
9 | 160577650 |
10 | 72091341 |
11 | 3776a323 |
12 | 20187639 |
13 | 11c216ca |
14 | 98084d7 |
15 | 64e05e6 |
hex | 44c06cd |
72091341 has 36 divisors (see below), whose sum is σ = 121239456. Its totient is φ = 40435920.
The previous prime is 72091319. The next prime is 72091343. The reversal of 72091341 is 14319027.
It is not a de Polignac number, because 72091341 - 25 = 72091309 is a prime.
It is a super-2 number, since 2×720913412 = 10394322894356562, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72091343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 317470 + ... + 317696.
Almost surely, 272091341 is an apocalyptic number.
72091341 is a gapful number since it is divisible by the number (71) formed by its first and last digit.
It is an amenable number.
72091341 is a deficient number, since it is larger than the sum of its proper divisors (49148115).
72091341 is a wasteful number, since it uses less digits than its factorization.
72091341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382 (or 308 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 72091341 is about 8490.6619883258. The cubic root of 72091341 is about 416.1926133586.
The spelling of 72091341 in words is "seventy-two million, ninety-one thousand, three hundred forty-one".
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