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3812680 = 23595317
BaseRepresentation
bin1110100010110101001000
321011201000101
432202311020
51434001210
6213415144
744256454
oct16426510
97151011
103812680
112174583
12133a4b4
13a36531
14713664
15504a3a
hex3a2d48

3812680 has 16 divisors (see below), whose sum is σ = 8578620. Its totient is φ = 1525056.

The previous prime is 3812663. The next prime is 3812689. The reversal of 3812680 is 862183.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 133956 = 1918^2 + 366^2 .

It is not an unprimeable number, because it can be changed into a prime (3812689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47619 + ... + 47698.

Almost surely, 23812680 is an apocalyptic number.

It is an amenable number.

3812680 is an abundant number, since it is smaller than the sum of its proper divisors (4765940).

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

3812680 is a wasteful number, since it uses less digits than its factorization.

3812680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95328 (or 95324 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3812680 is about 1952.6085117094. The cubic root of 3812680 is about 156.2224527436. Note that the first 3 decimals are identical.

The spelling of 3812680 in words is "three million, eight hundred twelve thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 95317 190634 381268 476585 762536 953170 1906340 3812680