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109074780 = 223254712893
BaseRepresentation
bin1101000000001…
…01100101011100
321121020120110200
412200011211130
5210410343110
614453503500
72463056163
oct640054534
9247216420
10109074780
115662a551
1230641b90
13197a01b9
14106b43da
1598986c0
hex680595c

109074780 has 72 divisors (see below), whose sum is σ = 337925952. Its totient is φ = 28465536.

The previous prime is 109074773. The next prime is 109074787. The reversal of 109074780 is 87470901.

It is an interprime number because it is at equal distance from previous prime (109074773) and next prime (109074787).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109074787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2014 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (4693416).

Almost surely, 2109074780 is an apocalyptic number.

109074780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109074780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168962976).

109074780 is an abundant number, since it is smaller than the sum of its proper divisors (228851172).

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

109074780 is a wasteful number, since it uses less digits than its factorization.

109074780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955 (or 12950 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 109074780 is about 10443.8872073572. The cubic root of 109074780 is about 477.7948326745.

The spelling of 109074780 in words is "one hundred nine million, seventy-four thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 47 60 90 94 141 180 188 235 282 423 470 564 705 846 940 1410 1692 2115 2820 4230 8460 12893 25786 38679 51572 64465 77358 116037 128930 154716 193395 232074 257860 386790 464148 580185 605971 773580 1160370 1211942 1817913 2320740 2423884 3029855 3635826 5453739 6059710 7271652 9089565 10907478 12119420 18179130 21814956 27268695 36358260 54537390 109074780