Base | Representation |
---|---|
bin | 10111001010000… |
… | …00111011111101 |
3 | 111112112001101120 |
4 | 23211000323331 |
5 | 344212040131 |
6 | 31135301153 |
7 | 4546055640 |
oct | 1345007375 |
9 | 445461346 |
10 | 194252541 |
11 | 9a71789a |
12 | 5507a7b9 |
13 | 31324242 |
14 | 1bb27a57 |
15 | 120c1496 |
hex | b940efd |
194252541 has 32 divisors (see below), whose sum is σ = 308625408. Its totient is φ = 106341120.
The previous prime is 194252533. The next prime is 194252573. The reversal of 194252541 is 145252491.
It is not a de Polignac number, because 194252541 - 23 = 194252533 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194252041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65605 + ... + 68501.
It is an arithmetic number, because the mean of its divisors is an integer number (9644544).
Almost surely, 2194252541 is an apocalyptic number.
It is an amenable number.
194252541 is a deficient number, since it is larger than the sum of its proper divisors (114372867).
194252541 is a wasteful number, since it uses less digits than its factorization.
194252541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3041.
The product of its digits is 14400, while the sum is 33.
The square root of 194252541 is about 13937.4510223355. The cubic root of 194252541 is about 579.1471224178.
Subtracting from 194252541 its reverse (145252491), we obtain a triangular number (49000050 = T9899).
The spelling of 194252541 in words is "one hundred ninety-four million, two hundred fifty-two thousand, five hundred forty-one".
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