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29070111 = 374729453
BaseRepresentation
bin110111011100…
…1001100011111
32000200220200210
41232321030133
524420220421
62515023503
7502043340
oct156711437
960626623
1029070111
1115455894
12989ab93
13603a965
143c0a0c7
152843576
hex1bb931f

29070111 has 16 divisors (see below), whose sum is σ = 45241344. Its totient is φ = 16257504.

The previous prime is 29070109. The next prime is 29070113. The reversal of 29070111 is 11107092.

It is an interprime number because it is at equal distance from previous prime (29070109) and next prime (29070113).

It is not a de Polignac number, because 29070111 - 21 = 29070109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29070113) 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, 13740 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (2827584).

Almost surely, 229070111 is an apocalyptic number.

29070111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29070111 is a deficient number, since it is larger than the sum of its proper divisors (16171233).

29070111 is a wasteful number, since it uses less digits than its factorization.

29070111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29510.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 29070111 is about 5391.6705203490. The cubic root of 29070111 is about 307.4790732008.

The spelling of 29070111 in words is "twenty-nine million, seventy thousand, one hundred eleven".

Divisors: 1 3 7 21 47 141 329 987 29453 88359 206171 618513 1384291 4152873 9690037 29070111