Search a number
-
+
2053541957 = 2099978343
BaseRepresentation
bin111101001100110…
…1001000001000101
312022010002201222112
41322121221001011
513201201320312
6535434310405
7101613550535
oct17231510105
95263081875
102053541957
11964197515
12493888405
132695a29ac
14156a354c5
15c043bd22
hex7a669045

2053541957 has 4 divisors (see below), whose sum is σ = 2054522400. Its totient is φ = 2052561516.

The previous prime is 2053541953. The next prime is 2053541977. The reversal of 2053541957 is 7591453502.

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 not a de Polignac number, because 2053541957 - 22 = 2053541953 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 (2053541951) 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, 487073 + ... + 491270.

It is an arithmetic number, because the mean of its divisors is an integer number (513630600).

Almost surely, 22053541957 is an apocalyptic number.

It is an amenable number.

2053541957 is a deficient number, since it is larger than the sum of its proper divisors (980443).

2053541957 is an equidigital number, since it uses as much as digits as its factorization.

2053541957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980442.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 2053541957 is about 45316.0231816518. The cubic root of 2053541957 is about 1271.0652927476.

The spelling of 2053541957 in words is "two billion, fifty-three million, five hundred forty-one thousand, nine hundred fifty-seven".

Divisors: 1 2099 978343 2053541957