Search a number
-
+
2194760925 = 325273673797
BaseRepresentation
bin1000001011010001…
…0110010011011101
312122221211101222200
42002310112103131
513443324322200
61001441202113
7105250105620
oct20264262335
95587741880
102194760925
11a26981405
12513030339
1328c918b06
1416b6b5db7
15cca34800
hex82d164dd

2194760925 has 72 divisors (see below), whose sum is σ = 4506068736. Its totient is φ = 1000321920.

The previous prime is 2194760921. The next prime is 2194760929. The reversal of 2194760925 is 5290674912.

2194760925 is a `hidden beast` number, since 2 + 19 + 4 + 7 + 609 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (2194760921) and next prime (2194760929).

It is not a de Polignac number, because 2194760925 - 22 = 2194760921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194760921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 576127 + ... + 579923.

It is an arithmetic number, because the mean of its divisors is an integer number (62584288).

Almost surely, 22194760925 is an apocalyptic number.

2194760925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2194760925 is an abundant number, since it is smaller than the sum of its proper divisors (2311307811).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2194760925 is a wasteful number, since it uses less digits than its factorization.

2194760925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187 (or 4179 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 2194760925 is about 46848.2755819251. The cubic root of 2194760925 is about 1299.5582177351.

The spelling of 2194760925 in words is "two billion, one hundred ninety-four million, seven hundred sixty thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 367 525 1101 1575 1835 2569 3303 3797 5505 7707 9175 11391 12845 16515 18985 23121 26579 27525 34173 38535 56955 64225 79737 82575 94925 115605 132895 170865 192675 239211 284775 398685 578025 664475 854325 1196055 1393499 1993425 4180497 5980275 6967495 9754493 12541491 20902485 29263479 34837475 48772465 62707455 87790437 104512425 146317395 243862325 313537275 438952185 731586975 2194760925