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29728914 = 2343311443
BaseRepresentation
bin111000101101…
…0000010010010
32001221101101220
41301122002102
530102311124
62541105510
7510456135
oct161320222
961841356
1029728914
1115865856
129b58296
13620b797
143d3c21c
152923879
hex1c5a092

29728914 has 16 divisors (see below), whose sum is σ = 59600352. Its totient is φ = 9885888.

The previous prime is 29728913. The next prime is 29728943. The reversal of 29728914 is 41982792.

It is not an unprimeable number, because it can be changed into a prime (29728913) 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, 3124 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (3725022).

Almost surely, 229728914 is an apocalyptic number.

29728914 is an abundant number, since it is smaller than the sum of its proper divisors (29871438).

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

29728914 is a wasteful number, since it uses less digits than its factorization.

29728914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881.

The product of its digits is 72576, while the sum is 42.

The square root of 29728914 is about 5452.4227642398. The cubic root of 29728914 is about 309.7844981611.

The spelling of 29728914 in words is "twenty-nine million, seven hundred twenty-eight thousand, nine hundred fourteen".

Divisors: 1 2 3 6 433 866 1299 2598 11443 22886 34329 68658 4954819 9909638 14864457 29728914