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2660930 = 25266093
BaseRepresentation
bin1010001001101001000010
312000012002222
422021221002
51140122210
6133011042
731421546
oct12115102
95005088
102660930
111558218
12a83a82
1372221c
144d3a26
15378655
hex289a42

2660930 has 8 divisors (see below), whose sum is σ = 4789692. Its totient is φ = 1064368.

The previous prime is 2660899. The next prime is 2660963. The reversal of 2660930 is 390662.

It can be written as a sum of positive squares in 2 ways, for example, as 2343961 + 316969 = 1531^2 + 563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2660930.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133037 + ... + 133056.

22660930 is an apocalyptic number.

2660930 is a deficient number, since it is larger than the sum of its proper divisors (2128762).

2660930 is a wasteful number, since it uses less digits than its factorization.

2660930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266100.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2660930 is about 1631.2357279069. The cubic root of 2660930 is about 138.5727439156.

The spelling of 2660930 in words is "two million, six hundred sixty thousand, nine hundred thirty".

Divisors: 1 2 5 10 266093 532186 1330465 2660930