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2047240 = 2351331127
BaseRepresentation
bin111110011110100001000
310212000021201
413303310020
51011002430
6111513544
723254426
oct7636410
93760251
102047240
111179138
128288b4
13568ab0
143b4116
152a68ca
hex1f3d08

2047240 has 64 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 725760.

The previous prime is 2047237. The next prime is 2047249. The reversal of 2047240 is 427402.

2047240 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16057 + ... + 16183.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

22047240 is an apocalyptic number.

2047240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580480).

2047240 is an abundant number, since it is smaller than the sum of its proper divisors (3113720).

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

2047240 is a wasteful number, since it uses less digits than its factorization.

2047240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2047240 is about 1430.8179478885. The cubic root of 2047240 is about 126.9763735577.

The spelling of 2047240 in words is "two million, forty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 31 40 52 62 65 104 124 127 130 155 248 254 260 310 403 508 520 620 635 806 1016 1240 1270 1612 1651 2015 2540 3224 3302 3937 4030 5080 6604 7874 8060 8255 13208 15748 16120 16510 19685 31496 33020 39370 51181 66040 78740 102362 157480 204724 255905 409448 511810 1023620 2047240