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2429952869 = 5474442327
BaseRepresentation
bin1001000011010110…
…0010001101100101
320021100101101200102
42100311202031211
514434031442434
61041042153445
7114134154461
oct22065421545
96240341612
102429952869
111037710613
12579952885
132c9575346
14190a194a1
15e34e107e
hex90d62365

2429952869 has 4 divisors (see below), whose sum is σ = 2434395744. Its totient is φ = 2425509996.

The previous prime is 2429952859. The next prime is 2429952893. The reversal of 2429952869 is 9682599242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9682599242 = 24841299621.

It is a cyclic number.

It is not a de Polignac number, because 2429952869 - 220 = 2428904293 is a prime.

It is a super-2 number, since 2×24299528692 = 11809341891122662322, 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 (2429952809) 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, 2220617 + ... + 2221710.

It is an arithmetic number, because the mean of its divisors is an integer number (608598936).

Almost surely, 22429952869 is an apocalyptic number.

It is an amenable number.

2429952869 is a deficient number, since it is larger than the sum of its proper divisors (4442875).

2429952869 is an equidigital number, since it uses as much as digits as its factorization.

2429952869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442874.

The product of its digits is 5598720, while the sum is 56.

The square root of 2429952869 is about 49294.5521229273. The cubic root of 2429952869 is about 1344.4127320144.

The spelling of 2429952869 in words is "two billion, four hundred twenty-nine million, nine hundred fifty-two thousand, eight hundred sixty-nine".

Divisors: 1 547 4442327 2429952869