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29942030 = 2519715199
BaseRepresentation
bin111001000111…
…0000100001110
32002100012202002
41302032010032
530131121110
62545432302
7512334356
oct162160416
962305662
1029942030
11159a0988
12a03b692
1362847a1
143d95b66
152966aa5
hex1c8e10e

29942030 has 16 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 11915232.

The previous prime is 29942023. The next prime is 29942039. The reversal of 29942030 is 3024992.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29941984 and 29942002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29942039) by changing a digit.

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, 5630 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (3385800).

Almost surely, 229942030 is an apocalyptic number.

29942030 is a deficient number, since it is larger than the sum of its proper divisors (24230770).

29942030 is a wasteful number, since it uses less digits than its factorization.

29942030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 29942030 is about 5471.9311033674. The cubic root of 29942030 is about 310.5229812460.

The spelling of 29942030 in words is "twenty-nine million, nine hundred forty-two thousand, thirty".

Divisors: 1 2 5 10 197 394 985 1970 15199 30398 75995 151990 2994203 5988406 14971015 29942030