Search a number
-
+
271440045 = 3352010667
BaseRepresentation
bin10000001011011…
…101100010101101
3200220202120202000
4100023131202231
51023442040140
642533522513
76504126252
oct2013354255
9626676660
10271440045
1112a247a18
1276aa3439
134430b416
142809b429
1518c6ba30
hex102dd8ad

271440045 has 16 divisors (see below), whose sum is σ = 482560320. Its totient is φ = 144767952.

The previous prime is 271440031. The next prime is 271440053. The reversal of 271440045 is 540044172.

It is not a de Polignac number, because 271440045 - 220 = 270391469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005199 + ... + 1005468.

It is an arithmetic number, because the mean of its divisors is an integer number (30160020).

Almost surely, 2271440045 is an apocalyptic number.

It is an amenable number.

271440045 is a deficient number, since it is larger than the sum of its proper divisors (211120275).

271440045 is a wasteful number, since it uses less digits than its factorization.

271440045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010681 (or 2010675 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 271440045 is about 16475.4376269646. The cubic root of 271440045 is about 647.4774379322.

The spelling of 271440045 in words is "two hundred seventy-one million, four hundred forty thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 135 2010667 6032001 10053335 18096003 30160005 54288009 90480015 271440045