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2957253 = 313191397
BaseRepresentation
bin1011010001111111000101
312120020120220
423101333011
51224113003
6143214553
734064505
oct13217705
95506526
102957253
11173a912
12ba7459
137c7070
1456da05
153d6353
hex2d1fc5

2957253 has 16 divisors (see below), whose sum is σ = 4279296. Its totient is φ = 1805760.

The previous prime is 2957243. The next prime is 2957261. The reversal of 2957253 is 3527592.

It is not a de Polignac number, because 2957253 - 24 = 2957237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957243) 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, 7251 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (267456).

22957253 is an apocalyptic number.

It is an amenable number.

2957253 is a deficient number, since it is larger than the sum of its proper divisors (1322043).

2957253 is a wasteful number, since it uses less digits than its factorization.

2957253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 18900, while the sum is 33.

The square root of 2957253 is about 1719.6665374427. Note that the first 3 decimals coincide. The cubic root of 2957253 is about 143.5366569377.

The spelling of 2957253 in words is "two million, nine hundred fifty-seven thousand, two hundred fifty-three".

Divisors: 1 3 13 39 191 397 573 1191 2483 5161 7449 15483 75827 227481 985751 2957253