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3898995429 = 37185666449
BaseRepresentation
bin1110100001100101…
…1111001011100101
3101001201122111020010
43220121133023211
530441120323204
61442521000433
7165422625420
oct35031371345
911051574203
103898995429
111720976a7a
12909923119
134a1a188b4
1428db809b7
1517c472d89
hexe865f2e5

3898995429 has 8 divisors (see below), whose sum is σ = 5941326400. Its totient is φ = 2227997376.

The previous prime is 3898995421. The next prime is 3898995431. The reversal of 3898995429 is 9245998983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3898995429 - 23 = 3898995421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3898995429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898995421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92833204 + ... + 92833245.

It is an arithmetic number, because the mean of its divisors is an integer number (742665800).

Almost surely, 23898995429 is an apocalyptic number.

It is an amenable number.

3898995429 is a deficient number, since it is larger than the sum of its proper divisors (2042330971).

3898995429 is a wasteful number, since it uses less digits than its factorization.

3898995429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185666459.

The product of its digits is 50388480, while the sum is 66.

The square root of 3898995429 is about 62441.9364610035. The cubic root of 3898995429 is about 1573.9257549446.

The spelling of 3898995429 in words is "three billion, eight hundred ninety-eight million, nine hundred ninety-five thousand, four hundred twenty-nine".

Divisors: 1 3 7 21 185666449 556999347 1299665143 3898995429