Base | Representation |
---|---|
bin | 101100101011101… |
… | …100010001100010 |
3 | 1221020121012220102 |
4 | 230223230101202 |
5 | 3013402313132 |
6 | 202215342402 |
7 | 24401633360 |
oct | 5453542142 |
9 | 1836535812 |
10 | 749651042 |
11 | 355181a18 |
12 | 18b081a02 |
13 | bc4049ca |
14 | 717c0630 |
15 | 45c2dc62 |
hex | 2caec462 |
749651042 has 16 divisors (see below), whose sum is σ = 1352754240. Its totient is φ = 304369488.
The previous prime is 749651041. The next prime is 749651053. The reversal of 749651042 is 240156947.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 749650987 and 749651005.
It is not an unprimeable number, because it can be changed into a prime (749651041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408853 + ... + 1409384.
It is an arithmetic number, because the mean of its divisors is an integer number (84547140).
Almost surely, 2749651042 is an apocalyptic number.
749651042 is a deficient number, since it is larger than the sum of its proper divisors (603103198).
749651042 is a wasteful number, since it uses less digits than its factorization.
749651042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2818265.
The product of its (nonzero) digits is 60480, while the sum is 38.
The square root of 749651042 is about 27379.7560617329. The cubic root of 749651042 is about 908.4193637189.
The spelling of 749651042 in words is "seven hundred forty-nine million, six hundred fifty-one thousand, forty-two".
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