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2949530 = 25294953
BaseRepresentation
bin1011010000000110011010
312112211222212
423100012122
51223341110
6143115122
734033133
oct13200632
95484885
102949530
111735031
12ba2aa2
137c36ac
1456ac8a
153d3e05
hex2d019a

2949530 has 8 divisors (see below), whose sum is σ = 5309172. Its totient is φ = 1179808.

The previous prime is 2949523. The next prime is 2949539. The reversal of 2949530 is 359492.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 223729 = 1651^2 + 473^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2949539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147467 + ... + 147486.

22949530 is an apocalyptic number.

2949530 is a deficient number, since it is larger than the sum of its proper divisors (2359642).

2949530 is a wasteful number, since it uses less digits than its factorization.

2949530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294960.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2949530 is about 1717.4195759918. The cubic root of 2949530 is about 143.4115971835.

The spelling of 2949530 in words is "two million, nine hundred forty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 294953 589906 1474765 2949530