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3768240 = 243572243
BaseRepresentation
bin1110010111111110110000
321002110001110
432113332300
51431040430
6212433320
744013060
oct16277660
97073043
103768240
112144153
121318840
13a1c238
147013a0
154e67b0
hex397fb0

3768240 has 80 divisors (see below), whose sum is σ = 13356288. Its totient is φ = 860928.

The previous prime is 3768227. The next prime is 3768241. The reversal of 3768240 is 428673.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3768198 and 3768207.

It is not an unprimeable number, because it can be changed into a prime (3768241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559 + ... + 2801.

Almost surely, 23768240 is an apocalyptic number.

3768240 is a gapful number since it is divisible by the number (30) 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 3768240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6678144).

3768240 is an abundant number, since it is smaller than the sum of its proper divisors (9588048).

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

3768240 is a wasteful number, since it uses less digits than its factorization.

3768240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3768240 is about 1941.1955079280. The cubic root of 3768240 is about 155.6131109770.

The spelling of 3768240 in words is "three million, seven hundred sixty-eight thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 2243 4486 6729 8972 11215 13458 15701 17944 22430 26916 31402 33645 35888 44860 47103 53832 62804 67290 78505 89720 94206 107664 125608 134580 157010 179440 188412 235515 251216 269160 314020 376824 471030 538320 628040 753648 942060 1256080 1884120 3768240