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2530972 = 22632743
BaseRepresentation
bin1001101001111010011100
311202120211201
421221322130
51121442342
6130125244
730340633
oct11517234
94676751
102530972
111479614
12a20824
136a8022
1449c51a
1534edb7
hex269e9c

2530972 has 6 divisors (see below), whose sum is σ = 4429208. Its totient is φ = 1265484.

The previous prime is 2530963. The next prime is 2530973. The reversal of 2530972 is 2790352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316368 + ... + 316375.

22530972 is an apocalyptic number.

It is an amenable number.

2530972 is a deficient number, since it is larger than the sum of its proper divisors (1898236).

2530972 is a wasteful number, since it uses less digits than its factorization.

2530972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632747 (or 632745 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2530972 is about 1590.9028882996. The cubic root of 2530972 is about 136.2790550499.

The spelling of 2530972 in words is "two million, five hundred thirty thousand, nine hundred seventy-two".

Divisors: 1 2 4 632743 1265486 2530972