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29472943 = 61483163
BaseRepresentation
bin111000001101…
…1100010101111
32001110101021111
41300123202233
530021113233
62531412451
7505341643
oct160334257
961411244
1029472943
1115700505
129a54127
13614c116
143cb2c23
1528c2acd
hex1c1b8af

29472943 has 4 divisors (see below), whose sum is σ = 29956168. Its totient is φ = 28989720.

The previous prime is 29472941. The next prime is 29472953. The reversal of 29472943 is 34927492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29472943 - 21 = 29472941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29472896 and 29472905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29472941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241521 + ... + 241642.

It is an arithmetic number, because the mean of its divisors is an integer number (7489042).

Almost surely, 229472943 is an apocalyptic number.

29472943 is a deficient number, since it is larger than the sum of its proper divisors (483225).

29472943 is an equidigital number, since it uses as much as digits as its factorization.

29472943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483224.

The product of its digits is 108864, while the sum is 40.

The square root of 29472943 is about 5428.8988754627. The cubic root of 29472943 is about 308.8928350676.

It can be divided in two parts, 294 and 72943, that added together give a palindrome (73237).

The spelling of 29472943 in words is "twenty-nine million, four hundred seventy-two thousand, nine hundred forty-three".

Divisors: 1 61 483163 29472943