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3681614940 = 223589689441
BaseRepresentation
bin1101101101110000…
…1111110001011100
3100111120121102020220
43123130033301130
530014443134230
61405153441340
7160143132153
oct33334176134
910446542226
103681614940
11161a1a2883
12868b70250
134689875a3
1426cd5659a
15168333d10
hexdb70fc5c

3681614940 has 48 divisors (see below), whose sum is σ = 10424363040. Its totient is φ = 970731520.

The previous prime is 3681614939. The next prime is 3681614941. The reversal of 3681614940 is 494161863.

It is an interprime number because it is at equal distance from previous prime (3681614939) and next prime (3681614941).

It is a junction number, because it is equal to n+sod(n) for n = 3681614892 and 3681614901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681614941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339381 + ... + 350060.

It is an arithmetic number, because the mean of its divisors is an integer number (217174230).

Almost surely, 23681614940 is an apocalyptic number.

3681614940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3681614940 is an abundant number, since it is smaller than the sum of its proper divisors (6742748100).

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

3681614940 is a wasteful number, since it uses less digits than its factorization.

3681614940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689542 (or 689540 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3681614940 is about 60676.3128411739. The cubic root of 3681614940 is about 1544.1143340883.

The spelling of 3681614940 in words is "three billion, six hundred eighty-one million, six hundred fourteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 689441 1378882 2068323 2757764 3447205 4136646 6894410 8273292 10341615 13788820 20683230 41366460 61360249 122720498 184080747 245440996 306801245 368161494 613602490 736322988 920403735 1227204980 1840807470 3681614940