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2945071 = 41109659
BaseRepresentation
bin1011001111000000101111
312112121212201
423033000233
51223220241
6143042331
734014133
oct13170057
95477781
102945071
111731748
12ba03a7
137c165c
145693c3
153d2931
hex2cf02f

2945071 has 8 divisors (see below), whose sum is σ = 3049200. Its totient is φ = 2842560.

The previous prime is 2945069. The next prime is 2945101. The reversal of 2945071 is 1705492.

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 2945071 - 21 = 2945069 is a prime.

It is a Duffinian number.

2945071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945021) 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, 4140 + ... + 4798.

It is an arithmetic number, because the mean of its divisors is an integer number (381150).

22945071 is an apocalyptic number.

2945071 is a deficient number, since it is larger than the sum of its proper divisors (104129).

2945071 is a wasteful number, since it uses less digits than its factorization.

2945071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2945071 is about 1716.1209164858. The cubic root of 2945071 is about 143.3392924630.

The spelling of 2945071 in words is "two million, nine hundred forty-five thousand, seventy-one".

Divisors: 1 41 109 659 4469 27019 71831 2945071