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260433020 = 22567194353
BaseRepresentation
bin11111000010111…
…10010001111100
3200011001100221102
433201132101330
51013132324040
641501552232
76311433641
oct1741362174
9604040842
10260433020
1112400a201
1273275678
1341c563a3
1426833dc8
1517ce5515
hexf85e47c

260433020 has 24 divisors (see below), whose sum is σ = 555075024. Its totient is φ = 102617856.

The previous prime is 260432999. The next prime is 260433029. The reversal of 260433020 is 20334062.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 260432983 and 260433001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260433029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95837 + ... + 98516.

It is an arithmetic number, because the mean of its divisors is an integer number (23128126).

Almost surely, 2260433020 is an apocalyptic number.

260433020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260433020 is an abundant number, since it is smaller than the sum of its proper divisors (294642004).

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

260433020 is a wasteful number, since it uses less digits than its factorization.

260433020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194429 (or 194427 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 260433020 is about 16137.9372907444. The cubic root of 260433020 is about 638.6045605427.

Adding to 260433020 its reverse (20334062), we get a palindrome (280767082).

The spelling of 260433020 in words is "two hundred sixty million, four hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 194353 388706 777412 971765 1943530 3887060 13021651 26043302 52086604 65108255 130216510 260433020