Search a number
-
+
3801390400 = 26521728221
BaseRepresentation
bin1110001010010100…
…1001110101000000
3100210220222122022001
43202211021311000
530241123443100
61425112553344
7163126166563
oct34245116500
910726878261
103801390400
111680870965
128a10b2854
13487733242
14280c144da
15173ae2d6a
hexe2949d40

3801390400 has 126 divisors (see below), whose sum is σ = 9937594298. Its totient is φ = 1430937600.

The previous prime is 3801390379. The next prime is 3801390413. The reversal of 3801390400 is 40931083.

It can be written as a sum of positive squares in 9 ways, for example, as 3873024 + 3797517376 = 1968^2 + 61624^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 458290 + ... + 466510.

Almost surely, 23801390400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3801390400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4968797149).

3801390400 is an abundant number, since it is smaller than the sum of its proper divisors (6136203898).

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

3801390400 is a wasteful number, since it uses less digits than its factorization.

3801390400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277 (or 8245 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3801390400 is about 61655.4166314688. The cubic root of 3801390400 is about 1560.6810526171.

The spelling of 3801390400 in words is "three billion, eight hundred one million, three hundred ninety thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 136 160 170 200 272 289 320 340 400 425 544 578 680 800 850 1088 1156 1360 1445 1600 1700 2312 2720 2890 3400 4624 5440 5780 6800 7225 8221 9248 11560 13600 14450 16442 18496 23120 27200 28900 32884 41105 46240 57800 65768 82210 92480 115600 131536 139757 164420 205525 231200 263072 279514 328840 411050 462400 526144 559028 657680 698785 822100 1118056 1315360 1397570 1644200 2236112 2375869 2630720 2795140 3288400 3493925 4472224 4751738 5590280 6576800 6987850 8944448 9503476 11180560 11879345 13153600 13975700 19006952 22361120 23758690 27951400 38013904 44722240 47517380 55902800 59396725 76027808 95034760 111805600 118793450 152055616 190069520 223611200 237586900 380139040 475173800 760278080 950347600 1900695200 3801390400