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164250461 = 298097001
BaseRepresentation
bin10011100101001…
…00001101011101
3102110001210021102
421302210031131
5314022003321
624144242445
74033051214
oct1162441535
9373053242
10164250461
1184795891
1247010425
132804b32b
1417b5807b
15e646c0b
hex9ca435d

164250461 has 8 divisors (see below), whose sum is σ = 170148600. Its totient is φ = 158368000.

The previous prime is 164250451. The next prime is 164250467. The reversal of 164250461 is 164052461.

164250461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49632025 + 114618436 = 7045^2 + 10706^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164250461 - 26 = 164250397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164250467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19961 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (21268575).

Almost surely, 2164250461 is an apocalyptic number.

164250461 is the 5732-nd centered decagonal number.

It is an amenable number.

164250461 is a deficient number, since it is larger than the sum of its proper divisors (5898139).

164250461 is an equidigital number, since it uses as much as digits as its factorization.

164250461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164250461 is about 12816.0236032866. The cubic root of 164250461 is about 547.6488739803.

The spelling of 164250461 in words is "one hundred sixty-four million, two hundred fifty thousand, four hundred sixty-one".

Divisors: 1 29 809 7001 23461 203029 5663809 164250461