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161703344 = 24114122409
BaseRepresentation
bin10011010001101…
…10010110110000
3102021021101021202
421220312112300
5312344001334
624013510332
74002312215
oct1150662660
9367241252
10161703344
1183306130
12461a23a8
1327668b6a
1417693b0c
15e2e217e
hex9a365b0

161703344 has 40 divisors (see below), whose sum is σ = 350133840. Its totient is φ = 71705600.

The previous prime is 161703341. The next prime is 161703379. The reversal of 161703344 is 443307161.

161703344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1617033442 = 52295942921564672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161703341) 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 7 ways as a sum of consecutive naturals, for example, 3989 + ... + 18420.

It is an arithmetic number, because the mean of its divisors is an integer number (8753346).

Almost surely, 2161703344 is an apocalyptic number.

It is an amenable number.

161703344 is an abundant number, since it is smaller than the sum of its proper divisors (188430496).

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

161703344 is a wasteful number, since it uses less digits than its factorization.

161703344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22469 (or 22463 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 161703344 is about 12716.2629730593. The cubic root of 161703344 is about 544.8032216116.

The spelling of 161703344 in words is "one hundred sixty-one million, seven hundred three thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 22 41 44 82 88 164 176 328 451 656 902 1804 3608 7216 22409 44818 89636 179272 246499 358544 492998 918769 985996 1837538 1971992 3675076 3943984 7350152 10106459 14700304 20212918 40425836 80851672 161703344