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29729994 = 237707857
BaseRepresentation
bin111000101101…
…0010011001010
32001221102212220
41301122103022
530102324434
62541114510
7510462240
oct161322312
961842786
1029729994
1115866648
129b58a36
13620c118
143d3c790
152923d49
hex1c5a4ca

29729994 has 16 divisors (see below), whose sum is σ = 67954368. Its totient is φ = 8494272.

The previous prime is 29729993. The next prime is 29730011. The reversal of 29729994 is 49992792.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29729993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353887 + ... + 353970.

It is an arithmetic number, because the mean of its divisors is an integer number (4247148).

Almost surely, 229729994 is an apocalyptic number.

29729994 is an abundant number, since it is smaller than the sum of its proper divisors (38224374).

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

29729994 is a wasteful number, since it uses less digits than its factorization.

29729994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707869.

The product of its digits is 734832, while the sum is 51.

The square root of 29729994 is about 5452.5218018821. The cubic root of 29729994 is about 309.7882494272.

The spelling of 29729994 in words is "twenty-nine million, seven hundred twenty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 707857 1415714 2123571 4247142 4954999 9909998 14864997 29729994