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2554040 = 23567953
BaseRepresentation
bin1001101111100010111000
311210202111002
421233202320
51123212130
6130424132
730465116
oct11574270
94722432
102554040
111494985
12a32048
136b5688
144a6ab6
15356b45
hex26f8b8

2554040 has 32 divisors (see below), whose sum is σ = 5838480. Its totient is φ = 1005312.

The previous prime is 2554039. The next prime is 2554043. The reversal of 2554040 is 404552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554043) 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, 2204 + ... + 3156.

22554040 is an apocalyptic number.

2554040 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 2554040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2919240).

2554040 is an abundant number, since it is smaller than the sum of its proper divisors (3284440).

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

2554040 is a wasteful number, since it uses less digits than its factorization.

2554040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2554040 is about 1598.1364147031. The cubic root of 2554040 is about 136.6918322354.

Adding to 2554040 its reverse (404552), we get a palindrome (2958592).

The spelling of 2554040 in words is "two million, five hundred fifty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 953 1340 1906 2680 3812 4765 7624 9530 19060 38120 63851 127702 255404 319255 510808 638510 1277020 2554040