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2961872 = 24199743
BaseRepresentation
bin1011010011000111010000
312120110220222
423103013100
51224234442
6143252212
734114124
oct13230720
95513828
102961872
111743331
12baa068
137c91b4
14571584
153d78d2
hex2d31d0

2961872 has 20 divisors (see below), whose sum is σ = 6041280. Its totient is φ = 1402848.

The previous prime is 2961863. The next prime is 2961877. The reversal of 2961872 is 2781692.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (302064).

22961872 is an apocalyptic number.

It is an amenable number.

2961872 is an abundant number, since it is smaller than the sum of its proper divisors (3079408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2961872 is a wasteful number, since it uses less digits than its factorization.

2961872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9770 (or 9764 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 2961872 is about 1721.0090063681. The cubic root of 2961872 is about 143.6113491081.

The spelling of 2961872 in words is "two million, nine hundred sixty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 9743 19486 38972 77944 155888 185117 370234 740468 1480936 2961872