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161153342 = 27107179601
BaseRepresentation
bin10011001101100…
…00000100111110
3102020020102211022
421212300010332
5312223401332
623554024142
73664531550
oct1146600476
9366212738
10161153342
1182a6a989
1245b78052
132750570c
141758d4d0
15e234212
hex99b013e

161153342 has 32 divisors (see below), whose sum is σ = 280869120. Its totient is φ = 67924800.

The previous prime is 161153309. The next prime is 161153347. The reversal of 161153342 is 243351161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161153347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267842 + ... + 268442.

It is an arithmetic number, because the mean of its divisors is an integer number (8777160).

Almost surely, 2161153342 is an apocalyptic number.

161153342 is a deficient number, since it is larger than the sum of its proper divisors (119715778).

161153342 is a wasteful number, since it uses less digits than its factorization.

161153342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its digits is 2160, while the sum is 26.

The square root of 161153342 is about 12694.6186236531. The cubic root of 161153342 is about 544.1848397798.

The spelling of 161153342 in words is "one hundred sixty-one million, one hundred fifty-three thousand, three hundred forty-two".

Divisors: 1 2 7 14 107 179 214 358 601 749 1202 1253 1498 2506 4207 8414 19153 38306 64307 107579 128614 134071 215158 268142 450149 753053 900298 1506106 11510953 23021906 80576671 161153342