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103778934 = 2376140507
BaseRepresentation
bin1100010111110…
…00101001110110
321020021111221020
412023320221312
5203031411214
614144202010
72400051330
oct613705166
9236244836
10103778934
1153642716
122a909306
131866786c
14dad6450
15919e4a9
hex62f8a76

103778934 has 32 divisors (see below), whose sum is σ = 241103616. Its totient is φ = 29164320.

The previous prime is 103778933. The next prime is 103778951. The reversal of 103778934 is 439877301.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103778933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17692 + ... + 22815.

It is an arithmetic number, because the mean of its divisors is an integer number (7534488).

Almost surely, 2103778934 is an apocalyptic number.

103778934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103778934 is an abundant number, since it is smaller than the sum of its proper divisors (137324682).

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

103778934 is a wasteful number, since it uses less digits than its factorization.

103778934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40580.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 103778934 is about 10187.1946089196. The cubic root of 103778934 is about 469.9334959471.

The spelling of 103778934 in words is "one hundred three million, seven hundred seventy-eight thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1281 2562 40507 81014 121521 243042 283549 567098 850647 1701294 2470927 4941854 7412781 14825562 17296489 34592978 51889467 103778934