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260380740 = 22358235273
BaseRepresentation
bin11111000010100…
…01100001000100
3200010221201020010
433201101201010
51013124140430
641500510220
76311125344
oct1741214104
9603851203
10260380740
11123a839a4
127324b370
1341c38659
142681cd24
1517cd4cb0
hexf851844

260380740 has 48 divisors (see below), whose sum is σ = 730090368. Its totient is φ = 69337344.

The previous prime is 260380717. The next prime is 260380751. The reversal of 260380740 is 47083062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 260380698 and 260380707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46744 + ... + 52016.

It is an arithmetic number, because the mean of its divisors is an integer number (15210216).

Almost surely, 2260380740 is an apocalyptic number.

260380740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260380740 is an abundant number, since it is smaller than the sum of its proper divisors (469709628).

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

260380740 is a wasteful number, since it uses less digits than its factorization.

260380740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108 (or 6106 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 260380740 is about 16136.3174237494. The cubic root of 260380740 is about 638.5618259710.

The spelling of 260380740 in words is "two hundred sixty million, three hundred eighty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 823 1646 2469 3292 4115 4938 5273 8230 9876 10546 12345 15819 16460 21092 24690 26365 31638 49380 52730 63276 79095 105460 158190 316380 4339679 8679358 13019037 17358716 21698395 26038074 43396790 52076148 65095185 86793580 130190370 260380740