Search a number
-
+
29381948 = 2223389821
BaseRepresentation
bin111000000010…
…1010100111100
32001021202110022
41300011110330
530010210243
62525431312
7504512441
oct160052474
961252408
1029381948
1115649102
129a0b538
13611988b
143c8b9c8
1528a5b68
hex1c0553c

29381948 has 24 divisors (see below), whose sum is σ = 53857440. Its totient is φ = 13999040.

The previous prime is 29381939. The next prime is 29381951. The reversal of 29381948 is 84918392.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29381899 and 29381908.

It is a congruent number.

It is an unprimeable number.

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, 35378 + ... + 36198.

It is an arithmetic number, because the mean of its divisors is an integer number (2244060).

Almost surely, 229381948 is an apocalyptic number.

It is an amenable number.

29381948 is a deficient number, since it is larger than the sum of its proper divisors (24475492).

29381948 is a wasteful number, since it uses less digits than its factorization.

29381948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1235 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 29381948 is about 5420.5117839555. The cubic root of 29381948 is about 308.5746146137.

The spelling of 29381948 in words is "twenty-nine million, three hundred eighty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 23 46 92 389 778 821 1556 1642 3284 8947 17894 18883 35788 37766 75532 319369 638738 1277476 7345487 14690974 29381948