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164413805 = 5193347491
BaseRepresentation
bin10011100110011…
…00000101101101
3102110101002100012
421303030011231
5314042220210
624151543005
74034331353
oct1163140555
9373332305
10164413805
1184897586
124708aa65
13280a779a
1417b9b7d3
15e67a305
hex9ccc16d

164413805 has 16 divisors (see below), whose sum is σ = 199295424. Its totient is φ = 130206720.

The previous prime is 164413793. The next prime is 164413861. The reversal of 164413805 is 508314461.

164413805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164413805 - 26 = 164413741 is a prime.

It is a super-3 number, since 3×1644138053 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334610 + ... + 335100.

It is an arithmetic number, because the mean of its divisors is an integer number (12455964).

Almost surely, 2164413805 is an apocalyptic number.

It is an amenable number.

164413805 is a deficient number, since it is larger than the sum of its proper divisors (34881619).

164413805 is a wasteful number, since it uses less digits than its factorization.

164413805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 164413805 is about 12822.3946671439. The cubic root of 164413805 is about 547.8303560082.

The spelling of 164413805 in words is "one hundred sixty-four million, four hundred thirteen thousand, eight hundred five".

Divisors: 1 5 193 347 491 965 1735 2455 66971 94763 170377 334855 473815 851885 32882761 164413805