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29918992 = 243076091
BaseRepresentation
bin111001000100…
…0011100010000
32002022001010211
41302020130100
530124401432
62545133504
7512210245
oct162103420
962261124
1029918992
1115985644
12a02a294
13627715c
143d8b5cc
15295ed47
hex1c88710

29918992 has 20 divisors (see below), whose sum is σ = 58166416. Its totient is φ = 14908320.

The previous prime is 29918983. The next prime is 29919007. The reversal of 29918992 is 29981992.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867 + ... + 7957.

Almost surely, 229918992 is an apocalyptic number.

It is an amenable number.

29918992 is a deficient number, since it is larger than the sum of its proper divisors (28247424).

29918992 is a wasteful number, since it uses less digits than its factorization.

29918992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6400 counting only the distinct ones).

The product of its digits is 209952, while the sum is 49.

The square root of 29918992 is about 5469.8255913694. The cubic root of 29918992 is about 310.4433199361.

It can be divided in two parts, 299 and 18992, that added together give a palindrome (19291).

The spelling of 29918992 in words is "twenty-nine million, nine hundred eighteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 307 614 1228 2456 4912 6091 12182 24364 48728 97456 1869937 3739874 7479748 14959496 29918992