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29743892 = 2219391367
BaseRepresentation
bin111000101110…
…1101100010100
32001222010221122
41301131230110
530103301032
62541303112
7510550613
oct161355424
961863848
1029743892
1115876032
129b64a98
136215549
143d4387a
152928012
hex1c5db14

29743892 has 12 divisors (see below), whose sum is σ = 54791520. Its totient is φ = 14089176.

The previous prime is 29743891. The next prime is 29743919. The reversal of 29743892 is 29834792.

It is a super-2 number, since 2×297438922 = 1769398222615328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29743891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195608 + ... + 195759.

It is an arithmetic number, because the mean of its divisors is an integer number (4565960).

Almost surely, 229743892 is an apocalyptic number.

It is an amenable number.

29743892 is a deficient number, since it is larger than the sum of its proper divisors (25047628).

29743892 is a wasteful number, since it uses less digits than its factorization.

29743892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391390 (or 391388 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 29743892 is about 5453.7961091335. The cubic root of 29743892 is about 309.8365145605.

The spelling of 29743892 in words is "twenty-nine million, seven hundred forty-three thousand, eight hundred ninety-two".

Divisors: 1 2 4 19 38 76 391367 782734 1565468 7435973 14871946 29743892