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3060980 = 2251361193
BaseRepresentation
bin1011101011010011110100
312202111212122
423223103310
51240422410
6145335112
735006066
oct13532364
95674778
103060980
11180083a
121037498
13832340
14599736
15406e55
hex2eb4f4

3060980 has 48 divisors (see below), whose sum is σ = 7072464. Its totient is φ = 1105920.

The previous prime is 3060947. The next prime is 3060983. The reversal of 3060980 is 890603.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1281424 + 1779556 = 1132^2 + 1334^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3060983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15764 + ... + 15956.

It is an arithmetic number, because the mean of its divisors is an integer number (147343).

Almost surely, 23060980 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 3060980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3536232).

3060980 is an abundant number, since it is smaller than the sum of its proper divisors (4011484).

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

3060980 is a wasteful number, since it uses less digits than its factorization.

3060980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3060980 is about 1749.5656603855. The cubic root of 3060980 is about 145.1956139093.

The spelling of 3060980 in words is "three million, sixty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 61 65 122 130 193 244 260 305 386 610 772 793 965 1220 1586 1930 2509 3172 3860 3965 5018 7930 10036 11773 12545 15860 23546 25090 47092 50180 58865 117730 153049 235460 306098 612196 765245 1530490 3060980