Base | Representation |
---|---|
bin | 1000101000001… |
… | …00011101010101 |
3 | 12001011202222120 |
4 | 10110010131111 |
5 | 122011320010 |
6 | 11103050153 |
7 | 1536064161 |
oct | 424043525 |
9 | 161152876 |
10 | 72370005 |
11 | 3793a724 |
12 | 202a0959 |
13 | 11cbb4b6 |
14 | 987bca1 |
15 | 6547e70 |
hex | 4504755 |
72370005 has 16 divisors (see below), whose sum is σ = 116856960. Its totient is φ = 38242368.
The previous prime is 72369959. The next prime is 72370007. The reversal of 72370005 is 50007327.
It is not a de Polignac number, because 72370005 - 216 = 72304469 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72370007) 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 15 ways as a sum of consecutive naturals, for example, 20497 + ... + 23766.
It is an arithmetic number, because the mean of its divisors is an integer number (7303560).
Almost surely, 272370005 is an apocalyptic number.
It is an amenable number.
72370005 is a deficient number, since it is larger than the sum of its proper divisors (44486955).
72370005 is a wasteful number, since it uses less digits than its factorization.
72370005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44380.
The product of its (nonzero) digits is 1470, while the sum is 24.
The square root of 72370005 is about 8507.0561888352. The cubic root of 72370005 is about 416.7281782965.
The spelling of 72370005 in words is "seventy-two million, three hundred seventy thousand, five".
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