Search a number
-
+
3813198648 = 233731732181
BaseRepresentation
bin1110001101001000…
…1100101100111000
3100211202012120011120
43203102030230320
530302134324043
61430214025240
7163331440140
oct34322145470
910752176146
103813198648
1116874a6646
128a5048220
1348a008b7c
14282609920
15174b76983
hexe348cb38

3813198648 has 64 divisors (see below), whose sum is σ = 11246315520. Its totient is φ = 1054339200.

The previous prime is 3813198647. The next prime is 3813198707. The reversal of 3813198648 is 8468913183.

It is a self number, because there is not a number n which added to its sum of digits gives 3813198648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813198647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360883 + ... + 371298.

It is an arithmetic number, because the mean of its divisors is an integer number (175723680).

Almost surely, 23813198648 is an apocalyptic number.

It is an amenable number.

3813198648 is an abundant number, since it is smaller than the sum of its proper divisors (7433116872).

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

3813198648 is a wasteful number, since it uses less digits than its factorization.

3813198648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732228 (or 732224 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 3813198648 is about 61751.1024031150. The cubic root of 3813198648 is about 1562.2953619403.

The spelling of 3813198648 in words is "three billion, eight hundred thirteen million, one hundred ninety-eight thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 31 42 56 62 84 93 124 168 186 217 248 372 434 651 744 868 1302 1736 2604 5208 732181 1464362 2196543 2928724 4393086 5125267 5857448 8786172 10250534 15375801 17572344 20501068 22697611 30751602 41002136 45395222 61503204 68092833 90790444 123006408 136185666 158883277 181580888 272371332 317766554 476649831 544742664 635533108 953299662 1271066216 1906599324 3813198648