Base | Representation |
---|---|
bin | 1000101100000… |
… | …00000111111110 |
3 | 12002010111211012 |
4 | 10112000013332 |
5 | 122124022132 |
6 | 11121555222 |
7 | 1543304024 |
oct | 426000776 |
9 | 162114735 |
10 | 72876542 |
11 | 38156252 |
12 | 204a5b12 |
13 | 12137c1b |
14 | 9970714 |
15 | 65e80b2 |
hex | 45801fe |
72876542 has 4 divisors (see below), whose sum is σ = 109314816. Its totient is φ = 36438270.
The previous prime is 72876539. The next prime is 72876553. The reversal of 72876542 is 24567827.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24567827 = 89 ⋅276043.
It is a self number, because there is not a number n which added to its sum of digits gives 72876542.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18219134 + ... + 18219137.
It is an arithmetic number, because the mean of its divisors is an integer number (27328704).
Almost surely, 272876542 is an apocalyptic number.
72876542 is a deficient number, since it is larger than the sum of its proper divisors (36438274).
72876542 is a wasteful number, since it uses less digits than its factorization.
72876542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36438273.
The product of its digits is 188160, while the sum is 41.
The square root of 72876542 is about 8536.7758550872. The cubic root of 72876542 is about 417.6981826499.
The spelling of 72876542 in words is "seventy-two million, eight hundred seventy-six thousand, five hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.181 sec. • engine limits •