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107444781 = 32373071051
BaseRepresentation
bin1100110011101…
…11101000101101
321111011202112100
412121313220231
5210001213111
614354525313
72443160043
oct631675055
9244152470
10107444781
1155716944
122bb96839
131934c2c2
14103ac393
159675756
hex6677a2d

107444781 has 24 divisors (see below), whose sum is σ = 160063904. Its totient is φ = 69400800.

The previous prime is 107444749. The next prime is 107444783. The reversal of 107444781 is 187444701.

It is not a de Polignac number, because 107444781 - 25 = 107444749 is a prime.

It is a super-2 number, since 2×1074447812 = 23088761928275922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107444783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101706 + ... + 102756.

Almost surely, 2107444781 is an apocalyptic number.

It is an amenable number.

107444781 is a deficient number, since it is larger than the sum of its proper divisors (52619123).

107444781 is a wasteful number, since it uses less digits than its factorization.

107444781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 107444781 is about 10365.5574379770. The cubic root of 107444781 is about 475.4028434815.

The spelling of 107444781 in words is "one hundred seven million, four hundred forty-four thousand, seven hundred eighty-one".

Divisors: 1 3 9 37 111 307 333 921 1051 2763 3153 9459 11359 34077 38887 102231 116661 322657 349983 967971 2903913 11938309 35814927 107444781