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107780842 = 21312293373
BaseRepresentation
bin1100110110010…
…01101011101010
321111210211112001
412123021223222
5210042441332
614410041214
72446056601
oct633115352
9244724461
10107780842
1155926384
123011920a
1319439260
1410458a38
1596e00e7
hex66c9aea

107780842 has 16 divisors (see below), whose sum is σ = 174300840. Its totient is φ = 49689792.

The previous prime is 107780821. The next prime is 107780851. The reversal of 107780842 is 248087701.

It can be written as a sum of positive squares in 4 ways, for example, as 106936281 + 844561 = 10341^2 + 919^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30268 + ... + 33640.

Almost surely, 2107780842 is an apocalyptic number.

107780842 is a deficient number, since it is larger than the sum of its proper divisors (66519998).

107780842 is a wasteful number, since it uses less digits than its factorization.

107780842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 107780842 is about 10381.7552465852. The cubic root of 107780842 is about 475.8979755682.

The spelling of 107780842 in words is "one hundred seven million, seven hundred eighty thousand, eight hundred forty-two".

Divisors: 1 2 13 26 1229 2458 3373 6746 15977 31954 43849 87698 4145417 8290834 53890421 107780842