Base | Representation |
---|---|
bin | 10100100010000… |
… | …10010011001000 |
3 | 110000002121011002 |
4 | 22101002103020 |
5 | 323043104044 |
6 | 25031354132 |
7 | 4160666450 |
oct | 1221022310 |
9 | 400077132 |
10 | 172238024 |
11 | 89250a82 |
12 | 49822948 |
13 | 298b6bba |
14 | 18c36d60 |
15 | 101c374e |
hex | a4424c8 |
172238024 has 16 divisors (see below), whose sum is σ = 369081600. Its totient is φ = 73816272.
The previous prime is 172238009. The next prime is 172238029. The reversal of 172238024 is 420832271.
It is a super-2 number, since 2×1722380242 = 59331873822849152, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (172238029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537784 + ... + 1537895.
It is an arithmetic number, because the mean of its divisors is an integer number (23067600).
Almost surely, 2172238024 is an apocalyptic number.
172238024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
172238024 is an abundant number, since it is smaller than the sum of its proper divisors (196843576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172238024 is a wasteful number, since it uses less digits than its factorization.
172238024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3075692 (or 3075688 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 172238024 is about 13123.9484912125. The cubic root of 172238024 is about 556.3861937438.
The spelling of 172238024 in words is "one hundred seventy-two million, two hundred thirty-eight thousand, twenty-four".
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