Search a number
-
+
1025868 = 223531613
BaseRepresentation
bin11111010011101001100
31221010020010
43322131030
5230311433
633553220
711501604
oct3723514
91833203
101025868
11640828
12415810
1329bc2c
141c9c04
15153e63
hexfa74c

1025868 has 24 divisors (see below), whose sum is σ = 2440368. Its totient is φ = 335296.

The previous prime is 1025839. The next prime is 1025873. The reversal of 1025868 is 8685201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 1442.

It is an arithmetic number, because the mean of its divisors is an integer number (101682).

21025868 is an apocalyptic number.

It is an amenable number.

1025868 is an abundant number, since it is smaller than the sum of its proper divisors (1414500).

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

1025868 is a wasteful number, since it uses less digits than its factorization.

1025868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1025868 is about 1012.8514204956. The cubic root of 1025868 is about 100.8549366700.

It can be divided in two parts, 10 and 25868, that added together give a triangular number (25878 = T227).

The spelling of 1025868 in words is "one million, twenty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 1613 3226 4839 6452 9678 19356 85489 170978 256467 341956 512934 1025868