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163410242 = 281705121
BaseRepresentation
bin10011011110101…
…11000101000010
3102101111002201012
421233113011002
5313313111432
624114240522
74022651462
oct1157270502
9371432635
10163410242
1184271596
1246886142
1327b15a68
14179b9ba2
15e52ccb2
hex9bd7142

163410242 has 4 divisors (see below), whose sum is σ = 245115366. Its totient is φ = 81705120.

The previous prime is 163410229. The next prime is 163410257. The reversal of 163410242 is 242014361.

163410242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242014361 = 1123215507.

It can be written as a sum of positive squares in only one way, i.e., 82428241 + 80982001 = 9079^2 + 8999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40852559 + ... + 40852562.

Almost surely, 2163410242 is an apocalyptic number.

163410242 is a deficient number, since it is larger than the sum of its proper divisors (81705124).

163410242 is an equidigital number, since it uses as much as digits as its factorization.

163410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81705123.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 163410242 is about 12783.2015551661. The cubic root of 163410242 is about 546.7134492153.

The spelling of 163410242 in words is "one hundred sixty-three million, four hundred ten thousand, two hundred forty-two".

Divisors: 1 2 81705121 163410242