Base | Representation |
---|---|
bin | 1110111010111… |
… | …11100100100110 |
3 | 22201112101201020 |
4 | 13131133210212 |
5 | 224021001011 |
6 | 20230512010 |
7 | 3046641651 |
oct | 735374446 |
9 | 281471636 |
10 | 125172006 |
11 | 64724643 |
12 | 35b05606 |
13 | 1cc1809b |
14 | 128a4898 |
15 | aec8006 |
hex | 775f926 |
125172006 has 16 divisors (see below), whose sum is σ = 253870848. Its totient is φ = 41136200.
The previous prime is 125171989. The next prime is 125172023. The reversal of 125172006 is 600271521.
It is an interprime number because it is at equal distance from previous prime (125171989) and next prime (125172023).
It is a super-3 number, since 3×1251720063 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 146490 + ... + 147341.
It is an arithmetic number, because the mean of its divisors is an integer number (15866928).
Almost surely, 2125172006 is an apocalyptic number.
125172006 is an abundant number, since it is smaller than the sum of its proper divisors (128698842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125172006 is a wasteful number, since it uses less digits than its factorization.
125172006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293907.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 125172006 is about 11188.0295852308. The cubic root of 125172006 is about 500.2292362188.
The spelling of 125172006 in words is "one hundred twenty-five million, one hundred seventy-two thousand, six".
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