Search a number
-
+
1284396 = 223107033
BaseRepresentation
bin100111001100100101100
32102020212020
410321210230
5312100041
643310140
713626411
oct4714454
92366766
101284396
117a7a93
1251b350
1335c7c9
14256108
151a5866
hex13992c

1284396 has 12 divisors (see below), whose sum is σ = 2996952. Its totient is φ = 428128.

The previous prime is 1284383. The next prime is 1284421. The reversal of 1284396 is 6934821.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53505 + ... + 53528.

It is an arithmetic number, because the mean of its divisors is an integer number (249746).

21284396 is an apocalyptic number.

It is an amenable number.

1284396 is an abundant number, since it is smaller than the sum of its proper divisors (1712556).

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

1284396 is a wasteful number, since it uses less digits than its factorization.

1284396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107040 (or 107038 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1284396 is about 1133.3119605828. The cubic root of 1284396 is about 108.7008603464.

The spelling of 1284396 in words is "one million, two hundred eighty-four thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 107033 214066 321099 428132 642198 1284396