Search a number
-
+
3822540 = 223563709
BaseRepresentation
bin1110100101001111001100
321012012112120
432211033030
51434310130
6213532540
744330301
oct16451714
97165476
103822540
112180a27
121344150
13a3ab77
147170a8
15507910
hex3a53cc

3822540 has 24 divisors (see below), whose sum is σ = 10703280. Its totient is φ = 1019328.

The previous prime is 3822529. The next prime is 3822541. The reversal of 3822540 is 452283.

It is a super-2 number, since 2×38225402 = 29223624103200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3822540.

It is not an unprimeable number, because it can be changed into a prime (3822541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31795 + ... + 31914.

It is an arithmetic number, because the mean of its divisors is an integer number (445970).

Almost surely, 23822540 is an apocalyptic number.

3822540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3822540 is an abundant number, since it is smaller than the sum of its proper divisors (6880740).

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

3822540 is a wasteful number, since it uses less digits than its factorization.

3822540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63721 (or 63719 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3822540 is about 1955.1317091183. The cubic root of 3822540 is about 156.3570061679.

It can be divided in two parts, 38 and 22540, that added together give a triangular number (22578 = T212).

The spelling of 3822540 in words is "three million, eight hundred twenty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 63709 127418 191127 254836 318545 382254 637090 764508 955635 1274180 1911270 3822540