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2507240 = 235193299
BaseRepresentation
bin1001100100000111101000
311201101021202
421210013220
51120212430
6125423332
730211511
oct11440750
94641252
102507240
1114627aa
12a0ab48
1369a298
14493a08
15347d45
hex2641e8

2507240 has 32 divisors (see below), whose sum is σ = 5940000. Its totient is φ = 949824.

The previous prime is 2507233. The next prime is 2507243. The reversal of 2507240 is 427052.

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

It is not an unprimeable number, because it can be changed into a prime (2507243) 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, 890 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (185625).

22507240 is an apocalyptic number.

2507240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2507240 is an abundant number, since it is smaller than the sum of its proper divisors (3432760).

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

2507240 is a wasteful number, since it uses less digits than its factorization.

2507240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3325 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2507240 is about 1583.4266639160. The cubic root of 2507240 is about 135.8517704491.

The spelling of 2507240 in words is "two million, five hundred seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 3299 6598 13196 16495 26392 32990 62681 65980 125362 131960 250724 313405 501448 626810 1253620 2507240