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1054425918 = 2371317472417
BaseRepresentation
bin111110110110010…
…100001100111110
32201111002101102210
4332312110030332
54124413112133
6252344001250
735062321020
oct7666241476
92644071383
101054425918
114a1217887
12255160226
1313a5b4c80
14a0078010
1562882763
hex3ed9433e

1054425918 has 128 divisors (see below), whose sum is σ = 2807820288. Its totient is φ = 256057344.

The previous prime is 1054425917. The next prime is 1054425923. The reversal of 1054425918 is 8195244501.

It is a super-2 number, since 2×10544259182 = 2223628033100285448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054425917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435046 + ... + 437462.

It is an arithmetic number, because the mean of its divisors is an integer number (21936096).

Almost surely, 21054425918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1054425918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403910144).

1054425918 is an abundant number, since it is smaller than the sum of its proper divisors (1753394370).

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

1054425918 is a wasteful number, since it uses less digits than its factorization.

1054425918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1054425918 is about 32471.9250738234. The cubic root of 1054425918 is about 1017.8224460455.

The spelling of 1054425918 in words is "one billion, fifty-four million, four hundred twenty-five thousand, nine hundred eighteen".

Divisors: 1 2 3 6 7 13 14 17 21 26 34 39 42 47 51 78 91 94 102 119 141 182 221 238 273 282 329 357 442 546 611 658 663 714 799 987 1222 1326 1547 1598 1833 1974 2397 2417 3094 3666 4277 4641 4794 4834 5593 7251 8554 9282 10387 11186 12831 14502 16779 16919 20774 25662 31161 31421 33558 33838 41089 50757 62322 62842 72709 82178 94263 101514 113599 123267 145418 188526 218127 219947 227198 246534 287623 340797 436254 439894 534157 575246 659841 681594 795193 862869 1068314 1319682 1476787 1590386 1602471 1725738 1931183 2385579 2953574 3204942 3739099 3862366 4430361 4771158 5793549 7478198 8860722 10337509 11217297 11587098 13518281 20675018 22434594 25105379 27036562 31012527 40554843 50210758 62025054 75316137 81109686 150632274 175737653 351475306 527212959 1054425918