Base | Representation |
---|---|
bin | 10100100101000… |
… | …00110010101110 |
3 | 110000211021002010 |
4 | 22102200302232 |
5 | 323143000240 |
6 | 25043542050 |
7 | 4164201042 |
oct | 1222406256 |
9 | 400737063 |
10 | 172625070 |
11 | 89495852 |
12 | 4998a926 |
13 | 299c1117 |
14 | 18cd8022 |
15 | 1024d280 |
hex | a4a0cae |
172625070 has 32 divisors (see below), whose sum is σ = 436106880. Its totient is φ = 43610400.
The previous prime is 172625053. The next prime is 172625083. The reversal of 172625070 is 70526271.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150856 + ... + 151995.
It is an arithmetic number, because the mean of its divisors is an integer number (13628340).
Almost surely, 2172625070 is an apocalyptic number.
172625070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
172625070 is an abundant number, since it is smaller than the sum of its proper divisors (263481810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172625070 is a wasteful number, since it uses less digits than its factorization.
172625070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302880.
The product of its (nonzero) digits is 5880, while the sum is 30.
The square root of 172625070 is about 13138.6860073601. The cubic root of 172625070 is about 556.8026444604.
It can be divided in two parts, 1726 and 25070, that added together give a triangular number (26796 = T231).
The spelling of 172625070 in words is "one hundred seventy-two million, six hundred twenty-five thousand, seventy".
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