Search a number
-
+
1931041929 = 310916336229
BaseRepresentation
bin111001100011001…
…0101110010001001
311222120121002112110
41303012111302021
512423321320204
6515340532533
765565404565
oct16306256211
94876532473
101931041929
11901028423
1245a851149
1324a0b1b7b
141446686a5
15b47e0889
hex73195c89

1931041929 has 16 divisors (see below), whose sum is σ = 2614356800. Its totient is φ = 1267690176.

The previous prime is 1931041901. The next prime is 1931041939. The reversal of 1931041929 is 9291401391.

It is not a de Polignac number, because 1931041929 - 211 = 1931039881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1931041939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35187 + ... + 71415.

It is an arithmetic number, because the mean of its divisors is an integer number (163397300).

Almost surely, 21931041929 is an apocalyptic number.

It is an amenable number.

1931041929 is a deficient number, since it is larger than the sum of its proper divisors (683314871).

1931041929 is a wasteful number, since it uses less digits than its factorization.

1931041929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36504.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1931041929 is about 43943.6221652244. The cubic root of 1931041929 is about 1245.2710772453.

The spelling of 1931041929 in words is "one billion, nine hundred thirty-one million, forty-one thousand, nine hundred twenty-nine".

Divisors: 1 3 109 163 327 489 17767 36229 53301 108687 3948961 5905327 11846883 17715981 643680643 1931041929