Search a number
-
+
161460636 = 22313455053
BaseRepresentation
bin10011001111110…
…11000110011100
3102020211001100120
421213323012130
5312313220021
624004354540
74000251501
oct1147730634
9366731316
10161460636
118315a847
12460a5a50
13275b254c
141762d4a8
15e2952c6
hex99fb19c

161460636 has 12 divisors (see below), whose sum is σ = 376741512. Its totient is φ = 53820208.

The previous prime is 161460623. The next prime is 161460641. The reversal of 161460636 is 636064161.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 161460597 and 161460606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6727515 + ... + 6727538.

It is an arithmetic number, because the mean of its divisors is an integer number (31395126).

Almost surely, 2161460636 is an apocalyptic number.

It is an amenable number.

161460636 is an abundant number, since it is smaller than the sum of its proper divisors (215280876).

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

161460636 is a wasteful number, since it uses less digits than its factorization.

161460636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13455060 (or 13455058 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 161460636 is about 12706.7161768885. The cubic root of 161460636 is about 544.5305117055.

The spelling of 161460636 in words is "one hundred sixty-one million, four hundred sixty thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 13455053 26910106 40365159 53820212 80730318 161460636