Search a number
-
+
3071954940 = 223551199249
BaseRepresentation
bin1011011100011010…
…0100111111111100
321221002102110221220
42313012210333330
522242410024230
61224454353340
7136061120565
oct26706447774
97832373856
103071954940
11133704723a
1271895b850
1339c588b22
14211db716c
1512ea58d10
hexb71a4ffc

3071954940 has 24 divisors (see below), whose sum is σ = 8601474000. Its totient is φ = 819187968.

The previous prime is 3071954909. The next prime is 3071954953. The reversal of 3071954940 is 494591703.

It is a junction number, because it is equal to n+sod(n) for n = 3071954892 and 3071954901.

It is a congruent number.

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, 25599565 + ... + 25599684.

It is an arithmetic number, because the mean of its divisors is an integer number (358394750).

Almost surely, 23071954940 is an apocalyptic number.

3071954940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3071954940 is an abundant number, since it is smaller than the sum of its proper divisors (5529519060).

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

3071954940 is a wasteful number, since it uses less digits than its factorization.

3071954940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51199261 (or 51199259 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 3071954940 is about 55425.2193500396. The cubic root of 3071954940 is about 1453.6893666395.

The spelling of 3071954940 in words is "three billion, seventy-one million, nine hundred fifty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 51199249 102398498 153597747 204796996 255996245 307195494 511992490 614390988 767988735 1023984980 1535977470 3071954940