Base | Representation |
---|---|
bin | 10001011001001… |
… | …11111011010111 |
3 | 101011120021120202 |
4 | 20230213323113 |
5 | 244323244412 |
6 | 22251251115 |
7 | 3421155635 |
oct | 1054477327 |
9 | 334507522 |
10 | 145915607 |
11 | 75402612 |
12 | 40a49a9b |
13 | 242cbac6 |
14 | 15544355 |
15 | cc243c2 |
hex | 8b27ed7 |
145915607 has 8 divisors (see below), whose sum is σ = 156456000. Its totient is φ = 135592704.
The previous prime is 145915603. The next prime is 145915621. The reversal of 145915607 is 706519541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145915607 - 22 = 145915603 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145915603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52982 + ... + 55667.
It is an arithmetic number, because the mean of its divisors is an integer number (19557000).
Almost surely, 2145915607 is an apocalyptic number.
145915607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
145915607 is a deficient number, since it is larger than the sum of its proper divisors (10540393).
145915607 is a wasteful number, since it uses less digits than its factorization.
145915607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108745.
The product of its (nonzero) digits is 37800, while the sum is 38.
The square root of 145915607 is about 12079.5532616070. The cubic root of 145915607 is about 526.4622659701.
The spelling of 145915607 in words is "one hundred forty-five million, nine hundred fifteen thousand, six hundred seven".
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