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1385968 = 24292103
BaseRepresentation
bin101010010010111110000
32121102012011
411102113300
5323322333
645412304
714531503
oct5222760
92542164
101385968
11867331
1256a094
13396acc
1428113a
151c59cd
hex1525f0

1385968 has 30 divisors (see below), whose sum is σ = 2808104. Its totient is φ = 662592.

The previous prime is 1385963. The next prime is 1385977. The reversal of 1385968 is 8695831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13405 + ... + 13507.

21385968 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 1385968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404052).

1385968 is an abundant number, since it is smaller than the sum of its proper divisors (1422136).

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

1385968 is a wasteful number, since it uses less digits than its factorization.

1385968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 134 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 1385968 is about 1177.2714215507. The cubic root of 1385968 is about 111.4938898835.

The spelling of 1385968 in words is "one million, three hundred eighty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 29 58 103 116 206 232 412 464 824 841 1648 1682 2987 3364 5974 6728 11948 13456 23896 47792 86623 173246 346492 692984 1385968