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164413580 = 22539720707
BaseRepresentation
bin10011100110011…
…00000010001100
3102110101002000212
421303030002030
5314042213310
624151541552
74034330612
oct1163140214
9373332025
10164413580
11848973a1
124708a8b8
13280a7656
1417b9b6b2
15e67a205
hex9ccc08c

164413580 has 24 divisors (see below), whose sum is σ = 346154928. Its totient is φ = 65596608.

The previous prime is 164413559. The next prime is 164413619. The reversal of 164413580 is 85314461.

It is a super-3 number, since 3×1644135803 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414 + ... + 18293.

It is an arithmetic number, because the mean of its divisors is an integer number (14423122).

Almost surely, 2164413580 is an apocalyptic number.

164413580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164413580 is an abundant number, since it is smaller than the sum of its proper divisors (181741348).

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

164413580 is a wasteful number, since it uses less digits than its factorization.

164413580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113 (or 21111 counting only the distinct ones).

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

The square root of 164413580 is about 12822.3858934287. The cubic root of 164413580 is about 547.8301061065.

The spelling of 164413580 in words is "one hundred sixty-four million, four hundred thirteen thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 397 794 1588 1985 3970 7940 20707 41414 82828 103535 207070 414140 8220679 16441358 32882716 41103395 82206790 164413580