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1964248488 = 233381111213
BaseRepresentation
bin111010100010100…
…0000110110101000
312001220002011101000
41311011000312220
513010321422423
6522524355000
766450556656
oct16505006650
95056064330
101964248488
11918848a64
124699a5a60
13253c3a517
14148c2ddd6
15b769e843
hex75140da8

1964248488 has 64 divisors (see below), whose sum is σ = 5463460800. Its totient is φ = 653883840.

The previous prime is 1964248469. The next prime is 1964248501. The reversal of 1964248488 is 8848424691.

It is a happy number.

It is a super-2 number, since 2×19642484882 = 7716544245220572288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 169570 + ... + 180782.

It is an arithmetic number, because the mean of its divisors is an integer number (85366575).

Almost surely, 21964248488 is an apocalyptic number.

1964248488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1964248488 is an abundant number, since it is smaller than the sum of its proper divisors (3499212312).

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

1964248488 is a wasteful number, since it uses less digits than its factorization.

1964248488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039 (or 12029 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 1964248488 is about 44319.8430502636. The cubic root of 1964248488 is about 1252.3685200290.

The spelling of 1964248488 in words is "one billion, nine hundred sixty-four million, two hundred forty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 811 1622 2433 3244 4866 6488 7299 9732 11213 14598 19464 21897 22426 29196 33639 43794 44852 58392 67278 87588 89704 100917 134556 175176 201834 269112 302751 403668 605502 807336 1211004 2422008 9093743 18187486 27281229 36374972 54562458 72749944 81843687 109124916 163687374 218249832 245531061 327374748 491062122 654749496 982124244 1964248488