Search a number
-
+
1932057121 = 5791333631
BaseRepresentation
bin111001100101000…
…1101101000100001
311222122111200010011
41303022031220201
512424101311441
6515414404521
765610133411
oct16312155041
94878450104
101932057121
11901661125
1245b060741
1324a378c87
14144850641
15b4941581
hex7328da21

1932057121 has 4 divisors (see below), whose sum is σ = 1932396544. Its totient is φ = 1931717700.

The previous prime is 1932057079. The next prime is 1932057133. The reversal of 1932057121 is 1217502391.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1932057121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1932057181) 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, 161025 + ... + 172606.

It is an arithmetic number, because the mean of its divisors is an integer number (483099136).

Almost surely, 21932057121 is an apocalyptic number.

It is an amenable number.

1932057121 is a deficient number, since it is larger than the sum of its proper divisors (339423).

1932057121 is an equidigital number, since it uses as much as digits as its factorization.

1932057121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339422.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1932057121 is about 43955.1717207429. The cubic root of 1932057121 is about 1245.4892613154.

The spelling of 1932057121 in words is "one billion, nine hundred thirty-two million, fifty-seven thousand, one hundred twenty-one".

Divisors: 1 5791 333631 1932057121