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29947482 = 234401461
BaseRepresentation
bin111001000111…
…1011001011010
32002100111020000
41302033121122
530131304412
62545513430
7512356305
oct162173132
962314200
1029947482
11159a4a94
12a042876
136287106
143d97b3c
1529684dc
hex1c8f65a

29947482 has 40 divisors (see below), whose sum is σ = 67417812. Its totient is φ = 9936000.

The previous prime is 29947471. The next prime is 29947483. The reversal of 29947482 is 28474992.

It can be written as a sum of positive squares in 2 ways, for example, as 28100601 + 1846881 = 5301^2 + 1359^2 .

It is a super-3 number, since 3×299474823 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (29947483) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64732 + ... + 65192.

Almost surely, 229947482 is an apocalyptic number.

29947482 is an abundant number, since it is smaller than the sum of its proper divisors (37470330).

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

29947482 is a wasteful number, since it uses less digits than its factorization.

29947482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 867 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 29947482 is about 5472.4292594788. The cubic root of 29947482 is about 310.5418273135.

The spelling of 29947482 in words is "twenty-nine million, nine hundred forty-seven thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 401 461 802 922 1203 1383 2406 2766 3609 4149 7218 8298 10827 12447 21654 24894 32481 37341 64962 74682 184861 369722 554583 1109166 1663749 3327498 4991247 9982494 14973741 29947482