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2940161 = 7676269
BaseRepresentation
bin1011001101110100000001
312112101010212
423031310001
51223041121
6143003505
733663620
oct13156401
95471125
102940161
111728a94
12b99595
137bc353
145676b7
153d125b
hex2cdd01

2940161 has 8 divisors (see below), whose sum is σ = 3410880. Its totient is φ = 2482128.

The previous prime is 2940127. The next prime is 2940163. The reversal of 2940161 is 1610492.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2940161 - 26 = 2940097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2940163) 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, 2666 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (426360).

22940161 is an apocalyptic number.

It is an amenable number.

2940161 is a deficient number, since it is larger than the sum of its proper divisors (470719).

2940161 is an equidigital number, since it uses as much as digits as its factorization.

2940161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2940161 is about 1714.6897678589. The cubic root of 2940161 is about 143.2595900937.

The spelling of 2940161 in words is "two million, nine hundred forty thousand, one hundred sixty-one".

Divisors: 1 7 67 469 6269 43883 420023 2940161