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29142046 = 2173143643
BaseRepresentation
bin110111100101…
…0110000011110
32000211120101001
41233022300132
524430021141
62520340514
7502463143
oct157126036
960746331
1029142046
11154a493a
12991473a
13606461b
143c283ca
152859a31
hex1bcac1e

29142046 has 32 divisors (see below), whose sum is σ = 48964608. Its totient is φ = 12942720.

The previous prime is 29142019. The next prime is 29142049. The reversal of 29142046 is 64024192.

It is a super-2 number, since 2×291420462 = 1698517690132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29142049) 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, 45001 + ... + 45643.

It is an arithmetic number, because the mean of its divisors is an integer number (1530144).

Almost surely, 229142046 is an apocalyptic number.

29142046 is a deficient number, since it is larger than the sum of its proper divisors (19822562).

29142046 is a wasteful number, since it uses less digits than its factorization.

29142046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 29142046 is about 5398.3373366250. The cubic root of 29142046 is about 307.7324868396.

It can be divided in two parts, 291420 and 46, that added together give a triangular number (291466 = T763).

The spelling of 29142046 in words is "twenty-nine million, one hundred forty-two thousand, forty-six".

Divisors: 1 2 17 31 34 43 62 86 527 643 731 1054 1286 1333 1462 2666 10931 19933 21862 22661 27649 39866 45322 55298 338861 470033 677722 857119 940066 1714238 14571023 29142046