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2690307 = 33372693
BaseRepresentation
bin1010010000110100000011
312001200102000
422100310003
51142042212
6133355043
731603314
oct12206403
95050360
102690307
1115782a4
12a98a83
137326c9
1450060b
153821dc
hex290d03

2690307 has 16 divisors (see below), whose sum is σ = 4094880. Its totient is φ = 1744416.

The previous prime is 2690299. The next prime is 2690321. The reversal of 2690307 is 7030962.

It is not a de Polignac number, because 2690307 - 23 = 2690299 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2690357) 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, 348 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (255930).

22690307 is an apocalyptic number.

2690307 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2690307 is a deficient number, since it is larger than the sum of its proper divisors (1404573).

2690307 is a wasteful number, since it uses less digits than its factorization.

2690307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 2690307 is about 1640.2155346173. The cubic root of 2690307 is about 139.0808321664.

The spelling of 2690307 in words is "two million, six hundred ninety thousand, three hundred seven".

Divisors: 1 3 9 27 37 111 333 999 2693 8079 24237 72711 99641 298923 896769 2690307