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242606945 = 576931627
BaseRepresentation
bin11100111010111…
…10001101100001
3121220111201011102
432131132031201
5444101410240
640023524145
76004060610
oct1635361541
9556451142
10242606945
11114a44209
12692b9655
133b354609
1424313877
1516473815
hexe75e361

242606945 has 8 divisors (see below), whose sum is σ = 332718144. Its totient is φ = 166359024.

The previous prime is 242606941. The next prime is 242606977. The reversal of 242606945 is 549606242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242606945 - 22 = 242606941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242606899 and 242606908.

It is not an unprimeable number, because it can be changed into a prime (242606941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3465779 + ... + 3465848.

It is an arithmetic number, because the mean of its divisors is an integer number (41589768).

Almost surely, 2242606945 is an apocalyptic number.

It is an amenable number.

242606945 is a deficient number, since it is larger than the sum of its proper divisors (90111199).

242606945 is an equidigital number, since it uses as much as digits as its factorization.

242606945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931639.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 242606945 is about 15575.8449209024. The cubic root of 242606945 is about 623.6885096471.

The spelling of 242606945 in words is "two hundred forty-two million, six hundred six thousand, nine hundred forty-five".

Divisors: 1 5 7 35 6931627 34658135 48521389 242606945