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29939953 = 195772731
BaseRepresentation
bin111001000110…
…1100011110001
32002100002220011
41302031203301
530131034303
62545414521
7512325331
oct162154361
962302804
1029939953
111599a36a
12a03a441
136283864
143d950c1
15296616d
hex1c8d8f1

29939953 has 8 divisors (see below), whose sum is σ = 31581920. Its totient is φ = 28304640.

The previous prime is 29939947. The next prime is 29939957. The reversal of 29939953 is 35993992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29939953 - 213 = 29931761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29939897 and 29939906.

It is not an unprimeable number, because it can be changed into a prime (29939957) 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 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (3947740).

Almost surely, 229939953 is an apocalyptic number.

It is an amenable number.

29939953 is a deficient number, since it is larger than the sum of its proper divisors (1641967).

29939953 is a wasteful number, since it uses less digits than its factorization.

29939953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327.

The product of its digits is 590490, while the sum is 49.

The square root of 29939953 is about 5471.7413133298. The cubic root of 29939953 is about 310.5158010254.

The spelling of 29939953 in words is "twenty-nine million, nine hundred thirty-nine thousand, nine hundred fifty-three".

Divisors: 1 19 577 2731 10963 51889 1575787 29939953