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164435193 = 321313910111
BaseRepresentation
bin10011100110100…
…01010011111001
3102110102011200100
421303101103321
5314043411233
624152230013
74034450616
oct1163212371
9373364610
10164435193
118490165a
124709b309
13280b4440
1417ba550d
15e681813
hex9cd14f9

164435193 has 24 divisors (see below), whose sum is σ = 257653760. Its totient is φ = 100452960.

The previous prime is 164435179. The next prime is 164435207. The reversal of 164435193 is 391534461.

164435193 is a `hidden beast` number, since 1 + 644 + 3 + 5 + 1 + 9 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (164435179) and next prime (164435207).

It is not a de Polignac number, because 164435193 - 28 = 164434937 is a prime.

It is a super-3 number, since 3×1644351933 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164435123) 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, 11208 + ... + 21318.

Almost surely, 2164435193 is an apocalyptic number.

164435193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164435193 is a deficient number, since it is larger than the sum of its proper divisors (93218567).

164435193 is a wasteful number, since it uses less digits than its factorization.

164435193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269 (or 10266 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 164435193 is about 12823.2286496030. The cubic root of 164435193 is about 547.8541100712.

The spelling of 164435193 in words is "one hundred sixty-four million, four hundred thirty-five thousand, one hundred ninety-three".

Divisors: 1 3 9 13 39 117 139 417 1251 1807 5421 10111 16263 30333 90999 131443 394329 1182987 1405429 4216287 12648861 18270577 54811731 164435193