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29949430 = 257427849
BaseRepresentation
bin111001000111…
…1110111110110
32002100120220011
41302033313312
530131340210
62545530434
7512365060
oct162176766
962316804
1029949430
11159a64a5
12a043a1a
136287c74
143d98730
152968d8a
hex1c8fdf6

29949430 has 16 divisors (see below), whose sum is σ = 61610400. Its totient is φ = 10268352.

The previous prime is 29949421. The next prime is 29949449. The reversal of 29949430 is 3494992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213855 + ... + 213994.

It is an arithmetic number, because the mean of its divisors is an integer number (3850650).

Almost surely, 229949430 is an apocalyptic number.

29949430 is an abundant number, since it is smaller than the sum of its proper divisors (31660970).

29949430 is a wasteful number, since it uses less digits than its factorization.

29949430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427863.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 29949430 is about 5472.6072396985. The cubic root of 29949430 is about 310.5485604601.

It can be divided in two parts, 299 and 49430, that added together give a square (49729 = 2232).

The spelling of 29949430 in words is "twenty-nine million, nine hundred forty-nine thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 427849 855698 2139245 2994943 4278490 5989886 14974715 29949430