Search a number
-
+
2031403444 = 227239401757
BaseRepresentation
bin111100100010100…
…1100000110110100
312020120102222122121
41321011030012310
513130014402234
6533324005324
7101224434010
oct17105140664
95216388577
102031403444
11952746524
12488390844
13264b21095
14153b11540
15bd5174b4
hex7914c1b4

2031403444 has 48 divisors (see below), whose sum is σ = 4095383040. Its totient is φ = 863654400.

The previous prime is 2031403421. The next prime is 2031403459. The reversal of 2031403444 is 4443041302.

It is a super-2 number, since 2×20314034442 = 8253199904590122272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683114 + ... + 2683870.

It is an arithmetic number, because the mean of its divisors is an integer number (85320480).

Almost surely, 22031403444 is an apocalyptic number.

It is an amenable number.

2031403444 is an abundant number, since it is smaller than the sum of its proper divisors (2063979596).

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

2031403444 is a wasteful number, since it uses less digits than its factorization.

2031403444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2031403444 is about 45071.0932194905. The cubic root of 2031403444 is about 1266.4811438659.

Adding to 2031403444 its reverse (4443041302), we get a palindrome (6474444746).

The spelling of 2031403444 in words is "two billion, thirty-one million, four hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 239 401 478 757 802 956 1514 1604 1673 2807 3028 3346 5299 5614 6692 10598 11228 21196 95839 180923 191678 303557 361846 383356 607114 670873 723692 1214228 1266461 1341746 2124899 2532922 2683492 4249798 5065844 8499596 72550123 145100246 290200492 507850861 1015701722 2031403444