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2502040 = 23571881
BaseRepresentation
bin1001100010110110011000
311201010011011
421202312120
51120031130
6125343304
730160402
oct11426630
94633134
102502040
111459902
12a07b34
13697ac8
14491b72
1534652a
hex262d98

2502040 has 32 divisors (see below), whose sum is σ = 5715360. Its totient is φ = 985600.

The previous prime is 2502011. The next prime is 2502047. The reversal of 2502040 is 402052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2502040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502047) 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, 2400 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (178605).

22502040 is an apocalyptic number.

2502040 is a gapful number since it is divisible by the number (20) 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 2502040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857680).

2502040 is an abundant number, since it is smaller than the sum of its proper divisors (3213320).

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

2502040 is a wasteful number, since it uses less digits than its factorization.

2502040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 2502040 is about 1581.7838031792. The cubic root of 2502040 is about 135.7577868727.

Adding to 2502040 its reverse (402052), we get a palindrome (2904092).

The spelling of 2502040 in words is "two million, five hundred two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 881 1420 1762 2840 3524 4405 7048 8810 17620 35240 62551 125102 250204 312755 500408 625510 1251020 2502040