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29145445 = 572337353
BaseRepresentation
bin110111100101…
…1100101100101
32000211202000221
41233023211211
524430123240
62520404341
7502506100
oct157134545
960752027
1029145445
11154a744a
1299166b1
136066034
143c29737
15285aa4a
hex1bcb965

29145445 has 24 divisors (see below), whose sum is σ = 40920984. Its totient is φ = 19869696.

The previous prime is 29145437. The next prime is 29145461. The reversal of 29145445 is 54454192.

It can be written as a sum of positive squares in 4 ways, for example, as 693889 + 28451556 = 833^2 + 5334^2 .

It is not a de Polignac number, because 29145445 - 23 = 29145437 is a prime.

It is a super-3 number, since 3×291454453 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29145445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82389 + ... + 82741.

It is an arithmetic number, because the mean of its divisors is an integer number (1705041).

Almost surely, 229145445 is an apocalyptic number.

It is an amenable number.

29145445 is a deficient number, since it is larger than the sum of its proper divisors (11775539).

29145445 is a wasteful number, since it uses less digits than its factorization.

29145445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 702 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 29145445 is about 5398.6521466010. The cubic root of 29145445 is about 307.7444505622.

The spelling of 29145445 in words is "twenty-nine million, one hundred forty-five thousand, four hundred forty-five".

Divisors: 1 5 7 35 49 245 337 353 1685 1765 2359 2471 11795 12355 16513 17297 82565 86485 118961 594805 832727 4163635 5829089 29145445