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29930383 = 723185903
BaseRepresentation
bin111001000101…
…1001110001111
32002022121202201
41302023032033
530130233013
62545302331
7512255410
oct162131617
962277681
1029930383
111599315a
12a0349a7
13627c3b2
143d91807
1529633dd
hex1c8b38f

29930383 has 8 divisors (see below), whose sum is σ = 35693568. Its totient is φ = 24539064.

The previous prime is 29930371. The next prime is 29930393. The reversal of 29930383 is 38303992.

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 29930383 - 29 = 29929871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29930393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92791 + ... + 93112.

It is an arithmetic number, because the mean of its divisors is an integer number (4461696).

Almost surely, 229930383 is an apocalyptic number.

29930383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29930383 is a deficient number, since it is larger than the sum of its proper divisors (5763185).

29930383 is a wasteful number, since it uses less digits than its factorization.

29930383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185933.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 29930383 is about 5470.8667503422. The cubic root of 29930383 is about 310.4827130989.

The spelling of 29930383 in words is "twenty-nine million, nine hundred thirty thousand, three hundred eighty-three".

Divisors: 1 7 23 161 185903 1301321 4275769 29930383