Search a number
-
+
2650040 = 23597683
BaseRepresentation
bin1010000110111110111000
311222122011122
422012332320
51134300130
6132444412
731345031
oct12067670
94878148
102650040
111550018
12a79708
1371a293
144cda88
153752e5
hex286fb8

2650040 has 32 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 1047552.

The previous prime is 2650033. The next prime is 2650057. The reversal of 2650040 is 400562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3539 + ... + 4221.

22650040 is an apocalyptic number.

2650040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650040 is an abundant number, since it is smaller than the sum of its proper divisors (3382840).

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

2650040 is a wasteful number, since it uses less digits than its factorization.

2650040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2650040 is about 1627.8943454659. The cubic root of 2650040 is about 138.3834466264.

The spelling of 2650040 in words is "two million, six hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 683 776 970 1366 1940 2732 3415 3880 5464 6830 13660 27320 66251 132502 265004 331255 530008 662510 1325020 2650040