Search a number
-
+
2750430 = 235175393
BaseRepresentation
bin1010011111011111011110
312011201212210
422133133132
51201003210
6134541250
732243514
oct12373736
95151783
102750430
111609491
12b07826
13753b97
145184b4
15394e20
hex29f7de

2750430 has 32 divisors (see below), whose sum is σ = 6990624. Its totient is φ = 690176.

The previous prime is 2750401. The next prime is 2750431. The reversal of 2750430 is 340572.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2750397 and 2750406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750431) 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, 2187 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (218457).

22750430 is an apocalyptic number.

2750430 is an abundant number, since it is smaller than the sum of its proper divisors (4240194).

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

2750430 is a wasteful number, since it uses less digits than its factorization.

2750430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2750430 is about 1658.4420399881. The cubic root of 2750430 is about 140.1092684365.

The spelling of 2750430 in words is "two million, seven hundred fifty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 5393 10786 16179 26965 32358 53930 80895 91681 161790 183362 275043 458405 550086 916810 1375215 2750430