Search a number
-
+
164292890 = 2543138119
BaseRepresentation
bin10011100101011…
…10100100011010
3102110010221110212
421302232210122
5314024333030
624145211122
74033316006
oct1162564432
9373127425
10164292890
1184814753
1247030aa2
1328064738
1417b69706
15e654595
hex9cae91a

164292890 has 16 divisors (see below), whose sum is σ = 296421120. Its totient is φ = 65562960.

The previous prime is 164292889. The next prime is 164292923. The reversal of 164292890 is 98292461.

164292890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14750 + ... + 23369.

It is an arithmetic number, because the mean of its divisors is an integer number (18526320).

Almost surely, 2164292890 is an apocalyptic number.

164292890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164292890 is a deficient number, since it is larger than the sum of its proper divisors (132128230).

164292890 is a wasteful number, since it uses less digits than its factorization.

164292890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38557.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 164292890 is about 12817.6788070227. The cubic root of 164292890 is about 547.6960259405.

The spelling of 164292890 in words is "one hundred sixty-four million, two hundred ninety-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 431 862 2155 4310 38119 76238 190595 381190 16429289 32858578 82146445 164292890