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161410623 = 31140911959
BaseRepresentation
bin10011001111011…
…10111000111111
3102020201111202020
421213232320333
5312310114443
624003331223
73666652623
oct1147567077
9366644666
10161410623
1183126210
1246080b13
132759585a
1417619183
15e285583
hex99eee3f

161410623 has 16 divisors (see below), whose sum is σ = 235372800. Its totient is φ = 97577280.

The previous prime is 161410621. The next prime is 161410633. The reversal of 161410623 is 326014161.

It is not a de Polignac number, because 161410623 - 21 = 161410621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161410593 and 161410602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161410621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7518 + ... + 19476.

It is an arithmetic number, because the mean of its divisors is an integer number (14710800).

Almost surely, 2161410623 is an apocalyptic number.

161410623 is a deficient number, since it is larger than the sum of its proper divisors (73962177).

161410623 is a wasteful number, since it uses less digits than its factorization.

161410623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 161410623 is about 12704.7480494499. The cubic root of 161410623 is about 544.4742824855.

Adding to 161410623 its reverse (326014161), we get a palindrome (487424784).

The spelling of 161410623 in words is "one hundred sixty-one million, four hundred ten thousand, six hundred twenty-three".

Divisors: 1 3 11 33 409 1227 4499 11959 13497 35877 131549 394647 4891231 14673693 53803541 161410623