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38953429 = 73952711
BaseRepresentation
bin1001010010011…
…0000111010101
32201022001001121
42110212013111
534433002204
63510523541
7652045564
oct224460725
981261047
1038953429
111aa96319
12110665b1
1380bb388
14525dbdb
153646b54
hex25261d5

38953429 has 4 divisors (see below), whose sum is σ = 39006880. Its totient is φ = 38899980.

The previous prime is 38953379. The next prime is 38953451. The reversal of 38953429 is 92435983.

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: 92435983 = 479192977.

It is a cyclic number.

It is not a de Polignac number, because 38953429 - 27 = 38953301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38953469) 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, 25617 + ... + 27094.

It is an arithmetic number, because the mean of its divisors is an integer number (9751720).

Almost surely, 238953429 is an apocalyptic number.

It is an amenable number.

38953429 is a deficient number, since it is larger than the sum of its proper divisors (53451).

38953429 is an equidigital number, since it uses as much as digits as its factorization.

38953429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53450.

The product of its digits is 233280, while the sum is 43.

The square root of 38953429 is about 6241.2682204821. The cubic root of 38953429 is about 338.9861058283.

The spelling of 38953429 in words is "thirty-eight million, nine hundred fifty-three thousand, four hundred twenty-nine".

Divisors: 1 739 52711 38953429