Search a number
-
+
25222995 = 345723141
BaseRepresentation
bin110000000110…
…1111101010011
31202110110110000
41200031331103
522424113440
62300341043
7424251300
oct140157523
952413400
1025222995
1113268456
128544783
1352c1865
1434c80a7
152333730
hex180df53

25222995 has 120 divisors (see below), whose sum is σ = 55617408. Its totient is φ = 10886400.

The previous prime is 25222993. The next prime is 25222999. The reversal of 25222995 is 59922252.

It is not a de Polignac number, because 25222995 - 21 = 25222993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 615175 + ... + 615215.

Almost surely, 225222995 is an apocalyptic number.

25222995 is an abundant number, since it is smaller than the sum of its proper divisors (30394413).

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

25222995 is a wasteful number, since it uses less digits than its factorization.

25222995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 87 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 25222995 is about 5022.2499937777. The cubic root of 25222995 is about 293.2685900787.

The spelling of 25222995 in words is "twenty-five million, two hundred twenty-two thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 31 35 41 45 49 63 81 93 105 123 135 147 155 189 205 217 245 279 287 315 369 405 441 465 567 615 651 735 837 861 945 1085 1107 1271 1323 1395 1435 1519 1845 1953 2009 2205 2511 2583 2835 3255 3321 3813 3969 4185 4305 4557 5535 5859 6027 6355 6615 7595 7749 8897 9765 10045 11439 12555 12915 13671 16605 17577 18081 19065 19845 22785 23247 26691 29295 30135 34317 38745 41013 44485 54243 57195 62279 68355 80073 87885 90405 102951 116235 123039 133455 162729 171585 186837 205065 240219 271215 311395 400365 514755 560511 615195 720657 813645 934185 1201095 1681533 2802555 3603285 5044599 8407665 25222995