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109041390 = 2355231951
BaseRepresentation
bin1100111111111…
…01011011101110
321121011212200000
412133331123232
5210403311030
614453045130
72462556633
oct637753356
9247155600
10109041390
1156607457
12306267a6
131978ac43
14106a618a
15988d860
hex67fd6ee

109041390 has 96 divisors (see below), whose sum is σ = 306948096. Its totient is φ = 27799200.

The previous prime is 109041389. The next prime is 109041391. The reversal of 109041390 is 93140901.

It is an interprime number because it is at equal distance from previous prime (109041389) and next prime (109041391).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109041391) 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, 54915 + ... + 56865.

It is an arithmetic number, because the mean of its divisors is an integer number (3197376).

Almost surely, 2109041390 is an apocalyptic number.

109041390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109041390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153474048).

109041390 is an abundant number, since it is smaller than the sum of its proper divisors (197906706).

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

109041390 is a wasteful number, since it uses less digits than its factorization.

109041390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 109041390 is about 10442.2885422689. The cubic root of 109041390 is about 477.7460734726.

The spelling of 109041390 in words is "one hundred nine million, forty-one thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 81 90 115 135 138 162 207 230 243 270 345 405 414 486 621 690 810 1035 1215 1242 1863 1951 2070 2430 3105 3726 3902 5589 5853 6210 9315 9755 11178 11706 17559 18630 19510 27945 29265 35118 44873 52677 55890 58530 87795 89746 105354 134619 158031 175590 224365 263385 269238 316062 403857 448730 474093 526770 673095 790155 807714 948186 1211571 1346190 1580310 2019285 2370465 2423142 3634713 4038570 4740930 6057855 7269426 10904139 12115710 18173565 21808278 36347130 54520695 109041390