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29780132 = 2259257491
BaseRepresentation
bin111000110011…
…0100010100100
32002000222122212
41301212202210
530110431012
62542142552
7511061354
oct161464244
962028585
1029780132
11158a0288
129b81a58
136228ba5
143d52b64
152933b22
hex1c668a4

29780132 has 24 divisors (see below), whose sum is σ = 53313120. Its totient is φ = 14551040.

The previous prime is 29780053. The next prime is 29780137. The reversal of 29780132 is 23108792.

It is not an unprimeable number, because it can be changed into a prime (29780137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60407 + ... + 60897.

It is an arithmetic number, because the mean of its divisors is an integer number (2221380).

Almost surely, 229780132 is an apocalyptic number.

It is an amenable number.

29780132 is a deficient number, since it is larger than the sum of its proper divisors (23532988).

29780132 is a wasteful number, since it uses less digits than its factorization.

29780132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 29780132 is about 5457.1175541672. The cubic root of 29780132 is about 309.9622985715.

The spelling of 29780132 in words is "twenty-nine million, seven hundred eighty thousand, one hundred thirty-two".

Divisors: 1 2 4 59 118 236 257 491 514 982 1028 1964 15163 28969 30326 57938 60652 115876 126187 252374 504748 7445033 14890066 29780132