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996667705 = 5111937149173
BaseRepresentation
bin111011011001111…
…111000100111001
32120110101222001201
4323121333010321
54020121331310
6242522014201
733461351515
oct7331770471
92513358051
10996667705
11471658220
12239947361
1312b641507
1496521145
155c773e3a
hex3b67f139

996667705 has 64 divisors (see below), whose sum is σ = 1428192000. Its totient is φ = 659819520.

The previous prime is 996667699. The next prime is 996667723. The reversal of 996667705 is 507766699.

It is not a de Polignac number, because 996667705 - 215 = 996634937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 63 ways as a sum of consecutive naturals, for example, 5760999 + ... + 5761171.

It is an arithmetic number, because the mean of its divisors is an integer number (22315500).

Almost surely, 2996667705 is an apocalyptic number.

996667705 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

996667705 is the 25777-th pentagonal number.

It is an amenable number.

996667705 is a deficient number, since it is larger than the sum of its proper divisors (431524295).

996667705 is a wasteful number, since it uses less digits than its factorization.

996667705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The square root of 996667705 is about 31570.0444250559. The cubic root of 996667705 is about 998.8879989119.

The spelling of 996667705 in words is "nine hundred ninety-six million, six hundred sixty-seven thousand, seven hundred five".

Divisors: 1 5 11 19 37 55 95 149 173 185 209 407 703 745 865 1045 1639 1903 2035 2831 3287 3515 5513 6401 7733 8195 9515 14155 16435 25777 27565 31141 32005 36157 38665 60643 70411 104747 121619 128885 155705 180785 283547 303215 352055 489763 523735 608095 953749 1152217 1337809 1417735 2448815 4768745 5387393 5761085 6689045 10491239 18121231 26936965 52456195 90606155 199333541 996667705