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3678971740 = 225811226817
BaseRepresentation
bin1101101101001000…
…1010011101011100
3100111101122010110121
43123102022131130
530013304043430
61405021044324
7160111513063
oct33322123534
910441563417
103678971740
111618757a14
128680b66a4
13468270472
1426c8691da
15167eb0a7a
hexdb48a75c

3678971740 has 24 divisors (see below), whose sum is σ = 7735401072. Its totient is φ = 1469767680.

The previous prime is 3678971731. The next prime is 3678971741. The reversal of 3678971740 is 471798763.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678971741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97189 + ... + 129628.

It is an arithmetic number, because the mean of its divisors is an integer number (322308378).

Almost surely, 23678971740 is an apocalyptic number.

It is an amenable number.

3678971740 is an abundant number, since it is smaller than the sum of its proper divisors (4056429332).

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

3678971740 is a wasteful number, since it uses less digits than its factorization.

3678971740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227637 (or 227635 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 52.

The square root of 3678971740 is about 60654.5277782294. The cubic root of 3678971740 is about 1543.7447154829.

The spelling of 3678971740 in words is "three billion, six hundred seventy-eight million, nine hundred seventy-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 811 1622 3244 4055 8110 16220 226817 453634 907268 1134085 2268170 4536340 183948587 367897174 735794348 919742935 1839485870 3678971740