Base | Representation |
---|---|
bin | 1000101010000… |
… | …01101011010010 |
3 | 12001122111221120 |
4 | 10111001223102 |
5 | 122042331004 |
6 | 11112303110 |
7 | 1541160213 |
oct | 425015322 |
9 | 161574846 |
10 | 72620754 |
11 | 37aa1058 |
12 | 203a1a96 |
13 | 1207867b |
14 | 990540a |
15 | 65973d9 |
hex | 4541ad2 |
72620754 has 8 divisors (see below), whose sum is σ = 145241520. Its totient is φ = 24206916.
The previous prime is 72620749. The next prime is 72620789. The reversal of 72620754 is 45702627.
It is a sphenic number, since it is the product of 3 distinct primes.
72620754 is an admirable number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 6051724 + ... + 6051735.
It is an arithmetic number, because the mean of its divisors is an integer number (18155190).
Almost surely, 272620754 is an apocalyptic number.
72620754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72620754 is a wasteful number, since it uses less digits than its factorization.
72620754 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12103464.
The product of its (nonzero) digits is 23520, while the sum is 33.
The square root of 72620754 is about 8521.7811518485. The cubic root of 72620754 is about 417.2089194602.
The spelling of 72620754 in words is "seventy-two million, six hundred twenty thousand, seven hundred fifty-four".
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