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2061456 = 24367641
BaseRepresentation
bin111110111010010010000
310212201210020
413313102100
51011431311
6112103440
723344035
oct7672220
93781706
102061456
111188891
12834b80
135723c7
143b938c
152aac06
hex1f7490

2061456 has 40 divisors (see below), whose sum is σ = 5413344. Its totient is φ = 675840.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061456 is 6541602.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2896 + ... + 3536.

22061456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706672).

2061456 is an abundant number, since it is smaller than the sum of its proper divisors (3351888).

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

2061456 is a wasteful number, since it uses less digits than its factorization.

2061456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2061456 is about 1435.7771414812. Note that the first 3 decimals coincide. The cubic root of 2061456 is about 127.2696031391.

The spelling of 2061456 in words is "two million, sixty-one thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 641 804 1072 1282 1608 1923 2564 3216 3846 5128 7692 10256 15384 30768 42947 85894 128841 171788 257682 343576 515364 687152 1030728 2061456