Search a number
-
+
2505272 = 23731183
BaseRepresentation
bin1001100011101000111000
311201021120212
421203220320
51120132042
6125410252
730203000
oct11435070
94637525
102505272
111461280
12a09988
13699413
14493000
15347482
hex263a38

2505272 has 64 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 964320.

The previous prime is 2505271. The next prime is 2505277. The reversal of 2505272 is 2725052.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30143 + ... + 30225.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

22505272 is an apocalyptic number.

2505272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024000).

2505272 is an abundant number, since it is smaller than the sum of its proper divisors (3542728).

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

2505272 is a wasteful number, since it uses less digits than its factorization.

2505272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2505272 is about 1582.8051048692. The cubic root of 2505272 is about 135.8162165776.

The spelling of 2505272 in words is "two million, five hundred five thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 49 56 77 83 88 98 154 166 196 308 332 343 392 539 581 616 664 686 913 1078 1162 1372 1826 2156 2324 2744 3652 3773 4067 4312 4648 6391 7304 7546 8134 12782 15092 16268 25564 28469 30184 32536 44737 51128 56938 89474 113876 178948 227752 313159 357896 626318 1252636 2505272