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2957091 = 34312287
BaseRepresentation
bin1011010001111100100011
312120020100220
423101330203
51224111331
6143214123
734064154
oct13217443
95506326
102957091
11173a785
12ba7343
137c6c77
1456d92b
153d6296
hex2d1f23

2957091 has 8 divisors (see below), whose sum is σ = 3953664. Its totient is φ = 1965960.

The previous prime is 2957057. The next prime is 2957107. The reversal of 2957091 is 1907592.

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

It is not a de Polignac number, because 2957091 - 221 = 859939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2957051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (494208).

22957091 is an apocalyptic number.

2957091 is a deficient number, since it is larger than the sum of its proper divisors (996573).

2957091 is a wasteful number, since it uses less digits than its factorization.

2957091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2957091 is about 1719.6194346424. The cubic root of 2957091 is about 143.5340358833.

The spelling of 2957091 in words is "two million, nine hundred fifty-seven thousand, ninety-one".

Divisors: 1 3 431 1293 2287 6861 985697 2957091