Search a number
-
+
1025385592 = 237112416907
BaseRepresentation
bin111101000111100…
…010010001111000
32122110102222121011
4331013202101320
54044444314332
6245425323304
734260430240
oct7507422170
92573388534
101025385592
11486892410
12247496534
13134587a4a
149a278b20
1560047e47
hex3d1e2478

1025385592 has 64 divisors (see below), whose sum is σ = 2407299840. Its totient is φ = 397785600.

The previous prime is 1025385553. The next prime is 1025385593. The reversal of 1025385592 is 2955835201.

1025385592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10253855922 = 2102831224562380928, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025385593) 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, 145003 + ... + 151909.

It is an arithmetic number, because the mean of its divisors is an integer number (37614060).

Almost surely, 21025385592 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 1025385592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203649920).

1025385592 is an abundant number, since it is smaller than the sum of its proper divisors (1381914248).

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

1025385592 is a wasteful number, since it uses less digits than its factorization.

1025385592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7172 (or 7168 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 1025385592 is about 32021.6425562462. The cubic root of 1025385592 is about 1008.3912539064.

The spelling of 1025385592 in words is "one billion, twenty-five million, three hundred eighty-five thousand, five hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 241 308 482 616 964 1687 1928 2651 3374 5302 6748 6907 10604 13496 13814 18557 21208 27628 37114 48349 55256 74228 75977 96698 148456 151954 193396 303908 386792 531839 607816 1063678 1664587 2127356 3329174 4254712 6658348 11652109 13316696 18310457 23304218 36620914 46608436 73241828 93216872 128173199 146483656 256346398 512692796 1025385592