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2945031 = 33131667
BaseRepresentation
bin1011001111000000000111
312112121211020
423033000013
51223220111
6143042223
734014045
oct13170007
95477736
102945031
111731711
12ba0373
137c162b
14569395
153d2906
hex2cf007

2945031 has 8 divisors (see below), whose sum is σ = 4053504. Its totient is φ = 1899960.

The previous prime is 2945021. The next prime is 2945069. The reversal of 2945031 is 1305492.

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

It is not a de Polignac number, because 2945031 - 25 = 2944999 is a prime.

It is a super-2 number, since 2×29450312 = 17346415181922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2944992 and 2945010.

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, 15741 + ... + 15926.

It is an arithmetic number, because the mean of its divisors is an integer number (506688).

22945031 is an apocalyptic number.

2945031 is a deficient number, since it is larger than the sum of its proper divisors (1108473).

2945031 is a wasteful number, since it uses less digits than its factorization.

2945031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2945031 is about 1716.1092622558. The cubic root of 2945031 is about 143.3386435146.

Subtracting from 2945031 its product of nonzero digits (1080), we obtain a triangular number (2943951 = T2426).

The spelling of 2945031 in words is "two million, nine hundred forty-five thousand, thirty-one".

Divisors: 1 3 31 93 31667 95001 981677 2945031