Search a number
-
+
161061262 = 2271297161
BaseRepresentation
bin10011001100110…
…01100110001110
3102020001202111221
421212121212032
5312212430022
623552033554
73663666235
oct1146314616
9366052457
10161061262
1182a0778a
1245b328ba
13274a282b
1417567b1c
15e216cc7
hex999998e

161061262 has 8 divisors (see below), whose sum is σ = 242484192. Its totient is φ = 80233200.

The previous prime is 161061227. The next prime is 161061269. The reversal of 161061262 is 262160161.

161061262 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161061269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148039 + ... + 149122.

It is an arithmetic number, because the mean of its divisors is an integer number (30310524).

Almost surely, 2161061262 is an apocalyptic number.

161061262 is a deficient number, since it is larger than the sum of its proper divisors (81422930).

161061262 is a wasteful number, since it uses less digits than its factorization.

161061262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297434.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 161061262 is about 12690.9913718354. The cubic root of 161061262 is about 544.0811743595.

The spelling of 161061262 in words is "one hundred sixty-one million, sixty-one thousand, two hundred sixty-two".

Divisors: 1 2 271 542 297161 594322 80530631 161061262