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2054131530 = 235117187671
BaseRepresentation
bin111101001101111…
…1000111101001010
312022011012200201120
41322123320331022
513201324202110
6535455100110
7101621554443
oct17233707512
95264180646
102054131530
1196455a470
12493b11636
1326974b159
14156b4a2ca
15c0506870
hex7a6f8f4a

2054131530 has 64 divisors (see below), whose sum is σ = 5453899776. Its totient is φ = 490952000.

The previous prime is 2054131501. The next prime is 2054131577. The reversal of 2054131530 is 351314502.

It is a self number, because there is not a number n which added to its sum of digits gives 2054131530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20406 + ... + 67265.

It is an arithmetic number, because the mean of its divisors is an integer number (85217184).

Almost surely, 22054131530 is an apocalyptic number.

2054131530 is an abundant number, since it is smaller than the sum of its proper divisors (3399768246).

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

2054131530 is a wasteful number, since it uses less digits than its factorization.

2054131530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87763.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2054131530 is about 45322.5278421228. The cubic root of 2054131530 is about 1271.1869222847.

The spelling of 2054131530 in words is "two billion, fifty-four million, one hundred thirty-one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 71 110 142 165 213 330 355 426 710 781 1065 1562 2130 2343 3905 4686 7810 11715 23430 87671 175342 263013 438355 526026 876710 964381 1315065 1928762 2630130 2893143 4821905 5786286 6224641 9643810 12449282 14465715 18673923 28931430 31123205 37347846 62246410 68471051 93369615 136942102 186739230 205413153 342355255 410826306 684710510 1027065765 2054131530