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29401031 = 112672821
BaseRepresentation
bin111000000100…
…1111111000111
32001022201122002
41300021333013
530011313111
62530055515
7504622202
oct160117707
961281562
1029401031
1115661480
129a1a59b
13612547a
143c94939
1528ab63b
hex1c09fc7

29401031 has 4 divisors (see below), whose sum is σ = 32073864. Its totient is φ = 26728200.

The previous prime is 29401019. The next prime is 29401049. The reversal of 29401031 is 13010492.

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 29401031 - 26 = 29400967 is a prime.

It is a super-2 number, since 2×294010312 = 1728841247725922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29400994 and 29401012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29401091) 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, 1336400 + ... + 1336421.

It is an arithmetic number, because the mean of its divisors is an integer number (8018466).

Almost surely, 229401031 is an apocalyptic number.

29401031 is a deficient number, since it is larger than the sum of its proper divisors (2672833).

29401031 is a wasteful number, since it uses less digits than its factorization.

29401031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672832.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 29401031 is about 5422.2717563767. The cubic root of 29401031 is about 308.6414045466.

The spelling of 29401031 in words is "twenty-nine million, four hundred one thousand, thirty-one".

Divisors: 1 11 2672821 29401031