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3681038146 = 231149398467
BaseRepresentation
bin1101101101101000…
…0010111101000010
3100111112112010001011
43123122002331002
530014321210041
61405133231134
7160135210432
oct33332027502
910445463034
103681038146
111619939495
128689324aa
13468814ba6
1426cc462c2
1516826ce81
hexdb682f42

3681038146 has 16 divisors (see below), whose sum is σ = 5737939200. Its totient is φ = 1769189040.

The previous prime is 3681038111. The next prime is 3681038149. The reversal of 3681038146 is 6418301863.

It is a happy number.

3681038146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3681038099 and 3681038108.

It is not an unprimeable number, because it can be changed into a prime (3681038149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189996 + ... + 208471.

It is an arithmetic number, because the mean of its divisors is an integer number (358621200).

Almost surely, 23681038146 is an apocalyptic number.

3681038146 is a deficient number, since it is larger than the sum of its proper divisors (2056901054).

3681038146 is a wasteful number, since it uses less digits than its factorization.

3681038146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398649.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 3681038146 is about 60671.5596140399. The cubic root of 3681038146 is about 1544.0336917241.

The spelling of 3681038146 in words is "three billion, six hundred eighty-one million, thirty-eight thousand, one hundred forty-six".

Divisors: 1 2 31 62 149 298 4619 9238 398467 796934 12352477 24704954 59371583 118743166 1840519073 3681038146