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2957690 = 25295769
BaseRepresentation
bin1011010010000101111010
312120021012002
423102011322
51224121230
6143221002
734066001
oct13220572
95507162
102957690
11174017a
12ba7762
137c7318
1456dc38
153d6545
hex2d217a

2957690 has 8 divisors (see below), whose sum is σ = 5323860. Its totient is φ = 1183072.

The previous prime is 2957687. The next prime is 2957753. The reversal of 2957690 is 967592.

2957690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2531281 + 426409 = 1591^2 + 653^2 .

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

It is a super-2 number, since 2×29576902 = 17495860272200, which contains 22 as substring.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147875 + ... + 147894.

22957690 is an apocalyptic number.

2957690 is a deficient number, since it is larger than the sum of its proper divisors (2366170).

2957690 is a wasteful number, since it uses less digits than its factorization.

2957690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295776.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2957690 is about 1719.7935922662. The cubic root of 2957690 is about 143.5437268355.

The spelling of 2957690 in words is "two million, nine hundred fifty-seven thousand, six hundred ninety".

Divisors: 1 2 5 10 295769 591538 1478845 2957690