Base | Representation |
---|---|
bin | 1001000000000… |
… | …00011111001110 |
3 | 12021001202210200 |
4 | 10200000133032 |
5 | 123311440340 |
6 | 11254114330 |
7 | 1604510034 |
oct | 440003716 |
9 | 167052720 |
10 | 75499470 |
11 | 39687962 |
12 | 2134b9a6 |
13 | 12845a57 |
14 | a054554 |
15 | 6965330 |
hex | 48007ce |
75499470 has 48 divisors (see below), whose sum is σ = 203074560. Its totient is φ = 19438272.
The previous prime is 75499469. The next prime is 75499471. The reversal of 75499470 is 7499457.
It is an interprime number because it is at equal distance from previous prime (75499469) and next prime (75499471).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75499471) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11854 + ... + 17073.
It is an arithmetic number, because the mean of its divisors is an integer number (4230720).
Almost surely, 275499470 is an apocalyptic number.
75499470 is an abundant number, since it is smaller than the sum of its proper divisors (127575090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75499470 is a wasteful number, since it uses less digits than its factorization.
75499470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28969 (or 28966 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 75499470 is about 8689.0431003650. The cubic root of 75499470 is about 422.6504161981.
The spelling of 75499470 in words is "seventy-five million, four hundred ninety-nine thousand, four hundred seventy".
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