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29739285 = 335220291
BaseRepresentation
bin111000101110…
…0100100010101
32001221220122000
41301130210111
530103124120
62541225513
7510531312
oct161344425
961856560
1029739285
1115872624
129b62299
136213414
143d41d09
152926990
hex1c5c915

29739285 has 16 divisors (see below), whose sum is σ = 52870080. Its totient is φ = 15860880.

The previous prime is 29739271. The next prime is 29739287. The reversal of 29739285 is 58293792.

It is not a de Polignac number, because 29739285 - 26 = 29739221 is a prime.

It is a super-2 number, since 2×297392852 = 1768850144622450, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 29739285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29739287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110011 + ... + 110280.

It is an arithmetic number, because the mean of its divisors is an integer number (3304380).

Almost surely, 229739285 is an apocalyptic number.

It is an amenable number.

29739285 is a deficient number, since it is larger than the sum of its proper divisors (23130795).

29739285 is a wasteful number, since it uses less digits than its factorization.

29739285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220305 (or 220299 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 29739285 is about 5453.3737264193. The cubic root of 29739285 is about 309.8205169845.

The spelling of 29739285 in words is "twenty-nine million, seven hundred thirty-nine thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 220291 660873 1101455 1982619 3304365 5947857 9913095 29739285