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2872984 = 23467769
BaseRepresentation
bin1010111101011010011000
312101221222211
422331122120
51213413414
6141324504
733264022
oct12753230
95357884
102872984
111692574
12b66734
137978ba
1454b012
153bb3c4
hex2bd698

2872984 has 16 divisors (see below), whose sum is σ = 5405400. Its totient is φ = 1431552.

The previous prime is 2872981. The next prime is 2872997. The reversal of 2872984 is 4892782.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872981) 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, 3352 + ... + 4120.

22872984 is an apocalyptic number.

It is an amenable number.

2872984 is a deficient number, since it is larger than the sum of its proper divisors (2532416).

2872984 is a wasteful number, since it uses less digits than its factorization.

2872984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1238 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2872984 is about 1694.9879055616. The cubic root of 2872984 is about 142.1601050712.

The spelling of 2872984 in words is "two million, eight hundred seventy-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 467 769 934 1538 1868 3076 3736 6152 359123 718246 1436492 2872984