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99786064 = 2478831009
BaseRepresentation
bin1011111001010…
…01110101010000
320221202122202011
411330221311100
5201021123224
613522432304
72321111320
oct574516520
9227678664
1099786064
1151365824
1229502694
131789a311
14d377280
158b61394
hex5f29d50

99786064 has 40 divisors (see below), whose sum is σ = 221424320. Its totient is φ = 42674688.

The previous prime is 99786061. The next prime is 99786067. The reversal of 99786064 is 46068799.

It is an interprime number because it is at equal distance from previous prime (99786061) and next prime (99786067).

It is a super-2 number, since 2×997860642 = 19914517137224192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99785999 and 99786017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99786061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98392 + ... + 99400.

It is an arithmetic number, because the mean of its divisors is an integer number (5535608).

Almost surely, 299786064 is an apocalyptic number.

It is an amenable number.

99786064 is an abundant number, since it is smaller than the sum of its proper divisors (121638256).

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

99786064 is a wasteful number, since it uses less digits than its factorization.

99786064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 99786064 is about 9989.2974727956. The cubic root of 99786064 is about 463.8276460540.

The spelling of 99786064 in words is "ninety-nine million, seven hundred eighty-six thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 883 1009 1766 2018 3532 4036 6181 7063 7064 8072 12362 14126 14128 16144 24724 28252 49448 56504 98896 113008 890947 1781894 3563788 6236629 7127576 12473258 14255152 24946516 49893032 99786064