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29849919 = 3117312391
BaseRepresentation
bin111000111011…
…1100100111111
32002011112101120
41301313210333
530120144134
62543442023
7511502001
oct161674477
962145346
1029849919
1115938760
129bb6313
136251898
143d70371
152949649
hex1c7793f

29849919 has 16 divisors (see below), whose sum is σ = 44016384. Its totient is φ = 17841600.

The previous prime is 29849899. The next prime is 29849933. The reversal of 29849919 is 91994892.

It is a happy number.

It is not a de Polignac number, because 29849919 - 25 = 29849887 is a prime.

It is a super-2 number, since 2×298499192 = 1782035328613122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29849999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3787 + ... + 8604.

It is an arithmetic number, because the mean of its divisors is an integer number (2751024).

Almost surely, 229849919 is an apocalyptic number.

29849919 is a deficient number, since it is larger than the sum of its proper divisors (14166465).

29849919 is a wasteful number, since it uses less digits than its factorization.

29849919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478.

The product of its digits is 419904, while the sum is 51.

The square root of 29849919 is about 5463.5079390443. The cubic root of 29849919 is about 310.2042323981.

It can be divided in two parts, 29 and 849919, that added together give a palindrome (849948).

The spelling of 29849919 in words is "twenty-nine million, eight hundred forty-nine thousand, nine hundred nineteen".

Divisors: 1 3 11 33 73 219 803 2409 12391 37173 136301 408903 904543 2713629 9949973 29849919