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2500497 = 33372503
BaseRepresentation
bin1001100010011110010001
311201001001000
421202132101
51120003442
6125332213
730153036
oct11423621
94631030
102500497
11145872a
12a07069
136971ac
1449138d
15345d4c
hex262791

2500497 has 16 divisors (see below), whose sum is σ = 3806080. Its totient is φ = 1621296.

The previous prime is 2500441. The next prime is 2500523. The reversal of 2500497 is 7940052.

It is not a de Polignac number, because 2500497 - 211 = 2498449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2500497.

It is not an unprimeable number, because it can be changed into a prime (2500417) 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, 253 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (237880).

22500497 is an apocalyptic number.

2500497 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2500497 is a deficient number, since it is larger than the sum of its proper divisors (1305583).

2500497 is a wasteful number, since it uses less digits than its factorization.

2500497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2500497 is about 1581.2959874736. The cubic root of 2500497 is about 135.7298740042.

The spelling of 2500497 in words is "two million, five hundred thousand, four hundred ninety-seven".

Divisors: 1 3 9 27 37 111 333 999 2503 7509 22527 67581 92611 277833 833499 2500497