Base | Representation |
---|---|
bin | 10001010111111… |
… | …00100011111110 |
3 | 101011020020221001 |
4 | 20223330203332 |
5 | 244302103412 |
6 | 22243400514 |
7 | 3416516035 |
oct | 1053744376 |
9 | 334206831 |
10 | 145737982 |
11 | 752a1115 |
12 | 4098313a |
13 | 24268cc0 |
14 | 154d971c |
15 | cbdb957 |
hex | 8afc8fe |
145737982 has 16 divisors (see below), whose sum is σ = 245659680. Its totient is φ = 64338912.
The previous prime is 145737973. The next prime is 145737983. The reversal of 145737982 is 289737541.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145737983) 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, 121257 + ... + 122452.
It is an arithmetic number, because the mean of its divisors is an integer number (15353730).
Almost surely, 2145737982 is an apocalyptic number.
145737982 is a deficient number, since it is larger than the sum of its proper divisors (99921698).
145737982 is a wasteful number, since it uses less digits than its factorization.
145737982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243747.
The product of its digits is 423360, while the sum is 46.
The square root of 145737982 is about 12072.1987226851. The cubic root of 145737982 is about 526.2485560675.
The spelling of 145737982 in words is "one hundred forty-five million, seven hundred thirty-seven thousand, nine hundred eighty-two".
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