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29001938 = 2771163179
BaseRepresentation
bin110111010100…
…0100011010010
32000120110011212
41232220203102
524411030223
62513340122
7501340520
oct156504322
960513155
1029001938
1115409649
129867642
136015914
143bcd310
15282d278
hex1ba88d2

29001938 has 32 divisors (see below), whose sum is σ = 51010560. Its totient is φ = 12111120.

The previous prime is 29001937. The next prime is 29001953. The reversal of 29001938 is 83910092.

It is a super-2 number, since 2×290019382 = 1682224815511688, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29001937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161933 + ... + 162111.

It is an arithmetic number, because the mean of its divisors is an integer number (1594080).

Almost surely, 229001938 is an apocalyptic number.

29001938 is a deficient number, since it is larger than the sum of its proper divisors (22008622).

29001938 is a wasteful number, since it uses less digits than its factorization.

29001938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 29001938 is about 5385.3447429111. The cubic root of 29001938 is about 307.2385262667.

The spelling of 29001938 in words is "twenty-nine million, one thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 71 142 163 179 326 358 497 994 1141 1253 2282 2506 11573 12709 23146 25418 29177 58354 81011 88963 162022 177926 204239 408478 2071567 4143134 14500969 29001938