Search a number
-
+
25207273 = 713277003
BaseRepresentation
bin110000000101…
…0000111101001
31202102122212201
41200022013221
522423113043
62300140201
7424154410
oct140120751
952378781
1025207273
1113257663
128537661
1352b7660
1434c2477
15232dc4d
hex180a1e9

25207273 has 8 divisors (see below), whose sum is σ = 31024448. Its totient is φ = 19944144.

The previous prime is 25207267. The next prime is 25207279. The reversal of 25207273 is 37270252.

It is an interprime number because it is at equal distance from previous prime (25207267) and next prime (25207279).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25207273 - 213 = 25199081 is a prime.

It is a super-2 number, since 2×252072732 = 1270813224193058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25207279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138411 + ... + 138592.

It is an arithmetic number, because the mean of its divisors is an integer number (3878056).

Almost surely, 225207273 is an apocalyptic number.

It is an amenable number.

25207273 is a deficient number, since it is larger than the sum of its proper divisors (5817175).

25207273 is a wasteful number, since it uses less digits than its factorization.

25207273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277023.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 25207273 is about 5020.6845150836. The cubic root of 25207273 is about 293.2076440108.

The spelling of 25207273 in words is "twenty-five million, two hundred seven thousand, two hundred seventy-three".

Divisors: 1 7 13 91 277003 1939021 3601039 25207273