Search a number
-
+
29769428 = 221319291039
BaseRepresentation
bin111000110001…
…1111011010100
32002000102222102
41301203323110
530110110203
62542021232
7511015223
oct161437324
962012872
1029769428
1115893237
129b77818
136224060
143d4ccba
152930888
hex1c63ed4

29769428 has 48 divisors (see below), whose sum is σ = 61152000. Its totient is φ = 12555648.

The previous prime is 29769413. The next prime is 29769469. The reversal of 29769428 is 82496792.

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, 28133 + ... + 29171.

It is an arithmetic number, because the mean of its divisors is an integer number (1274000).

Almost surely, 229769428 is an apocalyptic number.

It is an amenable number.

29769428 is an abundant number, since it is smaller than the sum of its proper divisors (31382572).

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

29769428 is a wasteful number, since it uses less digits than its factorization.

29769428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 29769428 is about 5456.1367284921. The cubic root of 29769428 is about 309.9251570970.

The spelling of 29769428 in words is "twenty-nine million, seven hundred sixty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 19 26 29 38 52 58 76 116 247 377 494 551 754 988 1039 1102 1508 2078 2204 4156 7163 13507 14326 19741 27014 28652 30131 39482 54028 60262 78964 120524 256633 391703 513266 572489 783406 1026532 1144978 1566812 2289956 7442357 14884714 29769428