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1396673488 = 247175912433
BaseRepresentation
bin101001100111111…
…1000101111010000
310121100002100211201
41103033320233100
510330022022423
6350331320544
746416346240
oct12317705720
93540070751
101396673488
11657427511
1232b8b0154
13193485622
14d36c7b20
15829392ad
hex533f8bd0

1396673488 has 80 divisors (see below), whose sum is σ = 3330322560. Its totient is φ = 553771008.

The previous prime is 1396673477. The next prime is 1396673503. The reversal of 1396673488 is 8843766931.

It is a happy number.

It is a super-4 number, since 4×13966734884 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106120 + ... + 118552.

It is an arithmetic number, because the mean of its divisors is an integer number (41629032).

Almost surely, 21396673488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396673488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665161280).

1396673488 is an abundant number, since it is smaller than the sum of its proper divisors (1933649072).

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

1396673488 is a wasteful number, since it uses less digits than its factorization.

1396673488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524 (or 12518 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 1396673488 is about 37372.0950442974. The cubic root of 1396673488 is about 1117.8022079192.

The spelling of 1396673488 in words is "one billion, three hundred ninety-six million, six hundred seventy-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 59 68 112 118 119 136 236 238 272 413 472 476 826 944 952 1003 1652 1904 2006 3304 4012 6608 7021 8024 12433 14042 16048 24866 28084 49732 56168 87031 99464 112336 174062 198928 211361 348124 422722 696248 733547 845444 1392496 1467094 1479527 1690888 2934188 2959054 3381776 5134829 5868376 5918108 10269658 11736752 11836216 12470299 20539316 23672432 24940598 41078632 49881196 82157264 87292093 99762392 174584186 199524784 349168372 698336744 1396673488