Base | Representation |
---|---|
bin | 11011111010111… |
… | …01100111011101 |
3 | 121022201101211000 |
4 | 31331131213131 |
5 | 434424402101 |
6 | 35124020513 |
7 | 5542542123 |
oct | 1575354735 |
9 | 538641730 |
10 | 234215901 |
11 | 110232967 |
12 | 66531739 |
13 | 396a71ba |
14 | 2316b913 |
15 | 15867486 |
hex | df5d9dd |
234215901 has 16 divisors (see below), whose sum is σ = 351742720. Its totient is φ = 154003680.
The previous prime is 234215867. The next prime is 234215921. The reversal of 234215901 is 109512432.
It is not a de Polignac number, because 234215901 - 29 = 234215389 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234215921) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57445 + ... + 61386.
It is an arithmetic number, because the mean of its divisors is an integer number (21983920).
Almost surely, 2234215901 is an apocalyptic number.
It is an amenable number.
234215901 is a deficient number, since it is larger than the sum of its proper divisors (117526819).
234215901 is a wasteful number, since it uses less digits than its factorization.
234215901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118913 (or 118907 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 234215901 is about 15304.1138586983. The cubic root of 234215901 is about 616.4134770033.
The spelling of 234215901 in words is "two hundred thirty-four million, two hundred fifteen thousand, nine hundred one".
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