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2750930 = 257133023
BaseRepresentation
bin1010011111100111010010
312011202120022
422133213102
51201012210
6134543442
732245130
oct12374722
95152508
102750930
1116098a6
12b07b82
13754190
14518750
15395155
hex29f9d2

2750930 has 32 divisors (see below), whose sum is σ = 6096384. Its totient is φ = 870336.

The previous prime is 2750903. The next prime is 2750933. The reversal of 2750930 is 390572.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2750930.

It is not an unprimeable number, because it can be changed into a prime (2750933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (190512).

22750930 is an apocalyptic number.

2750930 is an abundant number, since it is smaller than the sum of its proper divisors (3345454).

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

2750930 is a wasteful number, since it uses less digits than its factorization.

2750930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2750930 is about 1658.5927770252. The cubic root of 2750930 is about 140.1177580654.

The spelling of 2750930 in words is "two million, seven hundred fifty thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 3023 6046 15115 21161 30230 39299 42322 78598 105805 196495 211610 275093 392990 550186 1375465 2750930