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161058298 = 280529149
BaseRepresentation
bin10011001100110…
…00110111111010
3102020001121110011
421212120313322
5312212331143
623552012134
73663654502
oct1146306772
9366047404
10161058298
1182a05535
1245b3104a
13274a138b
1417566a02
15e215e9d
hex9998dfa

161058298 has 4 divisors (see below), whose sum is σ = 241587450. Its totient is φ = 80529148.

The previous prime is 161058283. The next prime is 161058341. The reversal of 161058298 is 892850161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160858489 + 199809 = 12683^2 + 447^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 161058298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40264573 + ... + 40264576.

Almost surely, 2161058298 is an apocalyptic number.

161058298 is a deficient number, since it is larger than the sum of its proper divisors (80529152).

161058298 is an equidigital number, since it uses as much as digits as its factorization.

161058298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80529151.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 161058298 is about 12690.8745955509. The cubic root of 161058298 is about 544.0778367755.

The spelling of 161058298 in words is "one hundred sixty-one million, fifty-eight thousand, two hundred ninety-eight".

Divisors: 1 2 80529149 161058298