Base | Representation |
---|---|
bin | 1000110110110… |
… | …01011100111111 |
3 | 12011210101002210 |
4 | 10123121130333 |
5 | 123004303012 |
6 | 11212151503 |
7 | 1561314600 |
oct | 433313477 |
9 | 164711083 |
10 | 74291007 |
11 | 38a31a2a |
12 | 20a68593 |
13 | 1251199b |
14 | 9c1bda7 |
15 | 67c723c |
hex | 46d973f |
74291007 has 48 divisors (see below), whose sum is σ = 123411840. Its totient is φ = 39517632.
The previous prime is 74290991. The next prime is 74291093. The reversal of 74291007 is 70019247.
It is not a de Polignac number, because 74291007 - 24 = 74290991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74291807) 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 47 ways as a sum of consecutive naturals, for example, 186933 + ... + 187329.
It is an arithmetic number, because the mean of its divisors is an integer number (2571080).
Almost surely, 274291007 is an apocalyptic number.
74291007 is a deficient number, since it is larger than the sum of its proper divisors (49120833).
74291007 is a wasteful number, since it uses less digits than its factorization.
74291007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500 (or 493 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 30.
The square root of 74291007 is about 8619.2231088422. The cubic root of 74291007 is about 420.3832612685.
The spelling of 74291007 in words is "seventy-four million, two hundred ninety-one thousand, seven".
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