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103374781 = 3724111593
BaseRepresentation
bin1100010100101…
…01111110111101
321012111222112121
412022111332331
5202430443111
614131402541
72363446126
oct612257675
9235458477
10103374781
1153397004
122a753451
1318555913
14da2d04d
15911e871
hex6295fbd

103374781 has 8 divisors (see below), whose sum is σ = 106618424. Its totient is φ = 100154880.

The previous prime is 103374779. The next prime is 103374797. The reversal of 103374781 is 187473301.

It can be written as a sum of positive squares in 4 ways, for example, as 76282756 + 27092025 = 8734^2 + 5205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103374781 - 21 = 103374779 is a prime.

It is a super-2 number, since 2×1033747812 = 21372690693595922, 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 (103374721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 14713.

It is an arithmetic number, because the mean of its divisors is an integer number (13327303).

Almost surely, 2103374781 is an apocalyptic number.

It is an amenable number.

103374781 is a deficient number, since it is larger than the sum of its proper divisors (3243643).

103374781 is a wasteful number, since it uses less digits than its factorization.

103374781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 103374781 is about 10167.3389340574. The cubic root of 103374781 is about 469.3226715552.

The spelling of 103374781 in words is "one hundred three million, three hundred seventy-four thousand, seven hundred eighty-one".

Divisors: 1 37 241 8917 11593 428941 2793913 103374781