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29968470 = 2325747569
BaseRepresentation
bin111001001010…
…0100001010110
32002101120000100
41302110201112
530132442340
62550154530
7512504430
oct162244126
962346010
1029968470
1115a09834
12a052a46
13629382c
143da1650
15296e830
hex1c94856

29968470 has 48 divisors (see below), whose sum is σ = 89051040. Its totient is φ = 6849792.

The previous prime is 29968459. The next prime is 29968487. The reversal of 29968470 is 7486992.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23155 + ... + 24414.

It is an arithmetic number, because the mean of its divisors is an integer number (1855230).

Almost surely, 229968470 is an apocalyptic number.

29968470 is an abundant number, since it is smaller than the sum of its proper divisors (59082570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29968470 is a wasteful number, since it uses less digits than its factorization.

29968470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47589 (or 47586 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 29968470 is about 5474.3465363457. The cubic root of 29968470 is about 310.6143557248.

The spelling of 29968470 in words is "twenty-nine million, nine hundred sixty-eight thousand, four hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 47569 95138 142707 237845 285414 332983 428121 475690 665966 713535 856242 998949 1427070 1664915 1997898 2140605 2996847 3329830 4281210 4994745 5993694 9989490 14984235 29968470