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29494919 = 31951449
BaseRepresentation
bin111000010000…
…0111010000111
32001111111102102
41300200322013
530022314134
62532102315
7505463006
oct160407207
961444372
1029494919
1115715a73
129a6499b
13615911c
143cbac3d
1528c937e
hex1c20e87

29494919 has 4 divisors (see below), whose sum is σ = 30446400. Its totient is φ = 28543440.

The previous prime is 29494909. The next prime is 29494931. The reversal of 29494919 is 91949492.

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 29494919 - 216 = 29429383 is a prime.

It is a super-2 number, since 2×294949192 = 1739900493633122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29494909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475694 + ... + 475755.

It is an arithmetic number, because the mean of its divisors is an integer number (7611600).

Almost surely, 229494919 is an apocalyptic number.

29494919 is a deficient number, since it is larger than the sum of its proper divisors (951481).

29494919 is an equidigital number, since it uses as much as digits as its factorization.

29494919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951480.

The product of its digits is 209952, while the sum is 47.

The square root of 29494919 is about 5430.9224814943. The cubic root of 29494919 is about 308.9695895614.

The spelling of 29494919 in words is "twenty-nine million, four hundred ninety-four thousand, nine hundred nineteen".

Divisors: 1 31 951449 29494919