Base | Representation |
---|---|
bin | 11100111101100… |
… | …01110001001011 |
3 | 121221011002122100 |
4 | 32132301301023 |
5 | 444143333240 |
6 | 40035124443 |
7 | 6010014456 |
oct | 1636616113 |
9 | 557132570 |
10 | 242949195 |
11 | 115158365 |
12 | 69443723 |
13 | 3b444328 |
14 | 243a249d |
15 | 164dee30 |
hex | e7b1c4b |
242949195 has 24 divisors (see below), whose sum is σ = 421477056. Its totient is φ = 129460608.
The previous prime is 242949173. The next prime is 242949199. The reversal of 242949195 is 591949242.
It is not a de Polignac number, because 242949195 - 26 = 242949131 is a prime.
It is a super-2 number, since 2×2429491952 = 118048622702296050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 242949195.
It is not an unprimeable number, because it can be changed into a prime (242949199) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91527 + ... + 94143.
It is an arithmetic number, because the mean of its divisors is an integer number (17561544).
Almost surely, 2242949195 is an apocalyptic number.
242949195 is a deficient number, since it is larger than the sum of its proper divisors (178527861).
242949195 is a wasteful number, since it uses less digits than its factorization.
242949195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4691 (or 4688 counting only the distinct ones).
The product of its digits is 233280, while the sum is 45.
The square root of 242949195 is about 15586.8276118009. The cubic root of 242949195 is about 623.9816547245.
It can be divided in two parts, 24294 and 9195, that added together give a square (33489 = 1832).
The spelling of 242949195 in words is "two hundred forty-two million, nine hundred forty-nine thousand, one hundred ninety-five".
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