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1164000421 = 17389176017
BaseRepresentation
bin100010101100001…
…0011110010100101
310000010021100101201
41011120103302211
54340441003141
6311300322501
740562561143
oct10530236245
93003240351
101164000421
11548058821
122859a3431
131571cb75c
14b083c593
156c2c9031
hex45613ca5

1164000421 has 8 divisors (see below), whose sum is σ = 1235646360. Its totient is φ = 1092707328.

The previous prime is 1164000389. The next prime is 1164000499. The reversal of 1164000421 is 1240004611.

It can be written as a sum of positive squares in 4 ways, for example, as 159744321 + 1004256100 = 12639^2 + 31690^2 .

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 1164000421 - 25 = 1164000389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164007421) 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, 81396 + ... + 94621.

It is an arithmetic number, because the mean of its divisors is an integer number (154455795).

Almost surely, 21164000421 is an apocalyptic number.

It is an amenable number.

1164000421 is a deficient number, since it is larger than the sum of its proper divisors (71645939).

1164000421 is a wasteful number, since it uses less digits than its factorization.

1164000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176423.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1164000421 is about 34117.4503883277. The cubic root of 1164000421 is about 1051.9240371377.

The spelling of 1164000421 in words is "one billion, one hundred sixty-four million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 17 389 6613 176017 2992289 68470613 1164000421