[go: up one dir, main page]

Search a number
-
+
29942649 = 3311181557
BaseRepresentation
bin111001000111…
…0001101111001
32002100020121000
41302032031321
530131131044
62545435213
7512336232
oct162161571
962306530
1029942649
11159a13a0
12a03bb09
136284b59
143d96089
152966d69
hex1c8e379

29942649 has 32 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 18014400.

The previous prime is 29942641. The next prime is 29942699. The reversal of 29942649 is 94624992.

It is a happy number.

It is not a de Polignac number, because 29942649 - 23 = 29942641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29942641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53479 + ... + 54035.

It is an arithmetic number, because the mean of its divisors is an integer number (1523340).

Almost surely, 229942649 is an apocalyptic number.

It is an amenable number.

29942649 is a deficient number, since it is larger than the sum of its proper divisors (18804231).

29942649 is a wasteful number, since it uses less digits than its factorization.

29942649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 29942649 is about 5471.9876644598. The cubic root of 29942649 is about 310.5251210742.

The spelling of 29942649 in words is "twenty-nine million, nine hundred forty-two thousand, six hundred forty-nine".

Divisors: 1 3 9 11 27 33 99 181 297 543 557 1629 1671 1991 4887 5013 5973 6127 15039 17919 18381 53757 55143 100817 165429 302451 907353 1108987 2722059 3326961 9980883 29942649