Search a number
-
+
161074446 = 23132119787
BaseRepresentation
bin10011001100111…
…00110100001110
3102020002102121020
421212130310032
5312213340241
623552215010
73664052541
oct1146346416
9366072536
10161074446
1182a16685
1245b3a466
13274a8830
141756c858
15e21ab66
hex999cd0e

161074446 has 32 divisors (see below), whose sum is σ = 348609408. Its totient is φ = 49321440.

The previous prime is 161074429. The next prime is 161074471. The reversal of 161074446 is 644470161.

161074446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11565 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (10894044).

Almost surely, 2161074446 is an apocalyptic number.

161074446 is an abundant number, since it is smaller than the sum of its proper divisors (187534962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161074446 is a wasteful number, since it uses less digits than its factorization.

161074446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 161074446 is about 12691.5107847726. The cubic root of 161074446 is about 544.0960195813.

The spelling of 161074446 in words is "one hundred sixty-one million, seventy-four thousand, four hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 211 422 633 1266 2743 5486 8229 9787 16458 19574 29361 58722 127231 254462 381693 763386 2065057 4130114 6195171 12390342 26845741 53691482 80537223 161074446