Search a number
-
+
161241498 = 232111747903
BaseRepresentation
bin10011001110001…
…01100110011010
3102020101220202100
421213011212122
5312234211443
623555544230
73665346555
oct1147054632
9366356670
10161241498
1183020140
1245bbb076
1327536892
14175b369c
15e2503d3
hex99c599a

161241498 has 48 divisors (see below), whose sum is σ = 403543296. Its totient is φ = 45985920.

The previous prime is 161241473. The next prime is 161241499. The reversal of 161241498 is 894142161.

161241498 is a `hidden beast` number, since 161 + 2 + 4 + 1 + 498 = 666.

161241498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161241499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20586 + ... + 27317.

It is an arithmetic number, because the mean of its divisors is an integer number (8407152).

Almost surely, 2161241498 is an apocalyptic number.

161241498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

161241498 is an abundant number, since it is smaller than the sum of its proper divisors (242301798).

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

161241498 is a wasteful number, since it uses less digits than its factorization.

161241498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47939 (or 47936 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 161241498 is about 12698.0903288644. The cubic root of 161241498 is about 544.2840504925.

The spelling of 161241498 in words is "one hundred sixty-one million, two hundred forty-one thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 11 17 18 22 33 34 51 66 99 102 153 187 198 306 374 561 1122 1683 3366 47903 95806 143709 287418 431127 526933 814351 862254 1053866 1580799 1628702 2443053 3161598 4742397 4886106 7329159 8957861 9484794 14658318 17915722 26873583 53747166 80620749 161241498