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2798972 = 221125783
BaseRepresentation
bin1010101011010101111100
312021012110122
422223111330
51204031342
6135554112
732535161
oct12532574
95235418
102798972
111641a00
12b2b938
1376ccc7
1452c068
153a44d2
hex2ab57c

2798972 has 18 divisors (see below), whose sum is σ = 5384904. Its totient is φ = 1272040.

The previous prime is 2798969. The next prime is 2798981.

2798972 is nontrivially palindromic in base 10.

2798972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2408 + ... + 3375.

22798972 is an apocalyptic number.

2798972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2798972 is a deficient number, since it is larger than the sum of its proper divisors (2585932).

2798972 is a wasteful number, since it uses less digits than its factorization.

2798972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5796 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 2798972 is about 1673.0128511162. The cubic root of 2798972 is about 140.9287234273.

The spelling of 2798972 in words is "two million, seven hundred ninety-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 121 242 484 5783 11566 23132 63613 127226 254452 699743 1399486 2798972