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164415928 = 23193106487
BaseRepresentation
bin10011100110011…
…00100110111000
3102110101012020211
421303030212320
5314042302203
624152000504
74034340505
oct1163144670
9373335224
10164415928
1184899136
1247090134
13280a8741
1417b9c4ac
15e67ac6d
hex9ccc9b8

164415928 has 16 divisors (see below), whose sum is σ = 309880080. Its totient is φ = 81781248.

The previous prime is 164415883. The next prime is 164415931. The reversal of 164415928 is 829514461.

164415928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1644159283 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51700 + ... + 54787.

It is an arithmetic number, because the mean of its divisors is an integer number (19367505).

Almost surely, 2164415928 is an apocalyptic number.

It is an amenable number.

164415928 is a deficient number, since it is larger than the sum of its proper divisors (145464152).

164415928 is a wasteful number, since it uses less digits than its factorization.

164415928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106686 (or 106682 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 164415928 is about 12822.4774517252. The cubic root of 164415928 is about 547.8327139587.

The spelling of 164415928 in words is "one hundred sixty-four million, four hundred fifteen thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 193 386 772 1544 106487 212974 425948 851896 20551991 41103982 82207964 164415928