Search a number
-
+
2493405475 = 521146319583
BaseRepresentation
bin1001010010011110…
…0101100100100011
320102202210010021221
42110213211210203
520101302433400
61051230155511
7115534411501
oct22447454443
96382703257
102493405475
11106a50a490
12597052b97
13309760972
14199215671
15e8d76c1a
hex949e5923

2493405475 has 24 divisors (see below), whose sum is σ = 3380355072. Its totient is φ = 1809376800.

The previous prime is 2493405443. The next prime is 2493405479. The reversal of 2493405475 is 5745043942.

It is not a de Polignac number, because 2493405475 - 25 = 2493405443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493405479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117534 + ... + 137116.

It is an arithmetic number, because the mean of its divisors is an integer number (140848128).

Almost surely, 22493405475 is an apocalyptic number.

2493405475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2493405475 is a deficient number, since it is larger than the sum of its proper divisors (886949597).

2493405475 is a wasteful number, since it uses less digits than its factorization.

2493405475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20067 (or 20062 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 2493405475 is about 49934.0112047891. The cubic root of 2493405475 is about 1356.0144044887.

The spelling of 2493405475 in words is "two billion, four hundred ninety-three million, four hundred five thousand, four hundred seventy-five".

Divisors: 1 5 11 25 55 275 463 2315 5093 11575 19583 25465 97915 127325 215413 489575 1077065 5385325 9066929 45334645 99736219 226673225 498681095 2493405475