Search a number
-
+
161417148 = 22313451429
BaseRepresentation
bin10011001111100…
…00011110111100
3102020201211200220
421213300132330
5312310322043
624003421340
74000010634
oct1147603674
9366654626
10161417148
1183130102
1246084850
1327598809
141761b6c4
15e287483
hex99f07bc

161417148 has 12 divisors (see below), whose sum is σ = 376640040. Its totient is φ = 53805712.

The previous prime is 161417143. The next prime is 161417153. The reversal of 161417148 is 841714161.

It is an interprime number because it is at equal distance from previous prime (161417143) and next prime (161417153).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161417143) 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, 6725703 + ... + 6725726.

It is an arithmetic number, because the mean of its divisors is an integer number (31386670).

Almost surely, 2161417148 is an apocalyptic number.

It is an amenable number.

161417148 is an abundant number, since it is smaller than the sum of its proper divisors (215222892).

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

161417148 is a wasteful number, since it uses less digits than its factorization.

161417148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451436 (or 13451434 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 161417148 is about 12705.0048406130. The cubic root of 161417148 is about 544.4816191501.

The spelling of 161417148 in words is "one hundred sixty-one million, four hundred seventeen thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 13451429 26902858 40354287 53805716 80708574 161417148