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1960949144 = 2371129313541
BaseRepresentation
bin111010011100001…
…1011010110011000
312001122212112112002
41310320123112120
513004000333034
6522325540132
766410535620
oct16470332630
95048775462
101960949144
119169a5130
12468874648
1325335384b
14148611880
15b724be7e
hex74e1b598

1960949144 has 128 divisors (see below), whose sum is σ = 4896460800. Its totient is φ = 713664000.

The previous prime is 1960949129. The next prime is 1960949149. The reversal of 1960949144 is 4419490691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960949149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552014 + ... + 555554.

It is an arithmetic number, because the mean of its divisors is an integer number (38253600).

Almost surely, 21960949144 is an apocalyptic number.

1960949144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1960949144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448230400).

1960949144 is an abundant number, since it is smaller than the sum of its proper divisors (2935511656).

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

1960949144 is a wasteful number, since it uses less digits than its factorization.

1960949144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1960949144 is about 44282.6054337366. The cubic root of 1960949144 is about 1251.6669268159. Note that the first 3 decimals are identical.

The spelling of 1960949144 in words is "one billion, nine hundred sixty million, nine hundred forty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 11 14 22 28 29 31 44 56 58 62 77 88 116 124 154 203 217 232 248 308 319 341 406 434 616 638 682 812 868 899 1276 1364 1624 1736 1798 2233 2387 2552 2728 3541 3596 4466 4774 6293 7082 7192 8932 9548 9889 12586 14164 17864 19096 19778 24787 25172 28328 38951 39556 49574 50344 69223 77902 79112 99148 102689 109771 138446 155804 198296 205378 219542 272657 276892 311608 410756 439084 545314 553784 718823 768397 821512 878168 1090628 1129579 1207481 1437646 1536794 2181256 2259158 2414962 2875292 3073588 3183359 4518316 4829924 5750584 6147176 6366718 7907053 8452367 9036632 9659848 12733436 15814106 16904734 22283513 25466872 31628212 33809468 35016949 44567026 63256424 67618936 70033898 89134052 140067796 178268104 245118643 280135592 490237286 980474572 1960949144