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109009460 = 225719107383
BaseRepresentation
bin1100111111101…
…01101000110100
321121010020212102
412133311220310
5210401300320
614452241232
72462364560
oct637655064
9247106772
10109009460
115659546a
1230610218
1319779551
14106986a0
159884175
hex67f5a34

109009460 has 96 divisors (see below), whose sum is σ = 278691840. Its totient is φ = 34985088.

The previous prime is 109009427. The next prime is 109009471. The reversal of 109009460 is 64900901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284429 + ... + 284811.

It is an arithmetic number, because the mean of its divisors is an integer number (2903040).

Almost surely, 2109009460 is an apocalyptic number.

109009460 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 109009460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139345920).

109009460 is an abundant number, since it is smaller than the sum of its proper divisors (169682380).

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

109009460 is a wasteful number, since it uses less digits than its factorization.

109009460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 109009460 is about 10440.7595509139. The cubic root of 109009460 is about 477.6994369880.

The spelling of 109009460 in words is "one hundred nine million, nine thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 107 133 140 190 214 266 380 383 428 532 535 665 749 766 1070 1330 1498 1532 1915 2033 2140 2660 2681 2996 3745 3830 4066 5362 7277 7490 7660 8132 10165 10724 13405 14231 14554 14980 20330 26810 28462 29108 36385 40660 40981 50939 53620 56924 71155 72770 81962 101878 142310 145540 163924 203756 204905 254695 284620 286867 409810 509390 573734 778639 819620 1018780 1147468 1434335 1557278 2868670 3114556 3893195 5450473 5737340 7786390 10900946 15572780 21801892 27252365 54504730 109009460