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29740005 = 3253121319
BaseRepresentation
bin111000101110…
…0101111100101
32001221221121200
41301130233211
530103140010
62541233113
7510533361
oct161345745
961857550
1029740005
1115873119
129b62799
136213849
143d422a1
152926cc0
hex1c5cbe5

29740005 has 24 divisors (see below), whose sum is σ = 53214720. Its totient is φ = 15348960.

The previous prime is 29740003. The next prime is 29740031. The reversal of 29740005 is 50004792.

It is not a de Polignac number, because 29740005 - 21 = 29740003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29740003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9265 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (2217280).

Almost surely, 229740005 is an apocalyptic number.

It is an amenable number.

29740005 is a deficient number, since it is larger than the sum of its proper divisors (23474715).

29740005 is a wasteful number, since it uses less digits than its factorization.

29740005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21361 (or 21358 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 29740005 is about 5453.4397402007. The cubic root of 29740005 is about 309.8230172572.

Adding to 29740005 its reverse (50004792), we get a palindrome (79744797).

The spelling of 29740005 in words is "twenty-nine million, seven hundred forty thousand, five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 21319 63957 106595 191871 319785 660889 959355 1982667 3304445 5948001 9913335 29740005