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29819394 = 23311172953
BaseRepresentation
bin111000111000…
…0001000000010
32002002222112000
41301300020002
530113210034
62543044430
7511314003
oct161601002
962088460
1029819394
1115917830
129ba0716
136240a17
143d631aa
152940599
hex1c70202

29819394 has 64 divisors (see below), whose sum is σ = 76567680. Its totient is φ = 8501760.

The previous prime is 29819393. The next prime is 29819407. The reversal of 29819394 is 49391892.

It is not an unprimeable number, because it can be changed into a prime (29819393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8622 + ... + 11574.

It is an arithmetic number, because the mean of its divisors is an integer number (1196370).

Almost surely, 229819394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29819394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38283840).

29819394 is an abundant number, since it is smaller than the sum of its proper divisors (46748286).

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

29819394 is a wasteful number, since it uses less digits than its factorization.

29819394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992 (or 2986 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 29819394 is about 5460.7136896197. The cubic root of 29819394 is about 310.0984564132.

The spelling of 29819394 in words is "twenty-nine million, eight hundred nineteen thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 11 17 18 22 27 33 34 51 54 66 99 102 153 187 198 297 306 374 459 561 594 918 1122 1683 2953 3366 5049 5906 8859 10098 17718 26577 32483 50201 53154 64966 79731 97449 100402 150603 159462 194898 292347 301206 451809 552211 584694 877041 903618 1104422 1355427 1656633 1754082 2710854 3313266 4969899 9939798 14909697 29819394