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107774145 = 355107829
BaseRepresentation
bin1100110110010…
…00000011000001
321111210111100000
412123020003001
5210042233040
614405550213
72446031223
oct633100301
9244714300
10107774145
1155921346
1230115369
13194361ab
1410456413
1596dd130
hex66c80c1

107774145 has 48 divisors (see below), whose sum is σ = 195773760. Its totient is φ = 56873664.

The previous prime is 107774143. The next prime is 107774167. The reversal of 107774145 is 541477701.

It is not a de Polignac number, because 107774145 - 21 = 107774143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (107774143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129591 + ... + 130419.

It is an arithmetic number, because the mean of its divisors is an integer number (4078620).

Almost surely, 2107774145 is an apocalyptic number.

107774145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

107774145 is a deficient number, since it is larger than the sum of its proper divisors (87999615).

107774145 is an equidigital number, since it uses as much as digits as its factorization.

107774145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 107774145 is about 10381.4327045933. The cubic root of 107774145 is about 475.8881186688. Note that the first 3 decimals are identical.

The spelling of 107774145 in words is "one hundred seven million, seven hundred seventy-four thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 107 135 243 321 405 535 829 963 1215 1605 2487 2889 4145 4815 7461 8667 12435 14445 22383 26001 37305 43335 67149 88703 111915 130005 201447 266109 335745 443515 798327 1007235 1330545 2394981 3991635 7184943 11974905 21554829 35924715 107774145