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109779030 = 23351723917
BaseRepresentation
bin1101000101100…
…01100001010110
321122120100112000
412202301201112
5211100412110
614520540130
72502051324
oct642614126
9248510460
10109779030
1156a70679
1230921646
131998890a
1410818d14
1599871c0
hex68b1856

109779030 has 64 divisors (see below), whose sum is σ = 309977280. Its totient is φ = 27551232.

The previous prime is 109779011. The next prime is 109779041. The reversal of 109779030 is 30977901.

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, 7369 + ... + 16548.

It is an arithmetic number, because the mean of its divisors is an integer number (4843395).

Almost surely, 2109779030 is an apocalyptic number.

109779030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109779030 is an abundant number, since it is smaller than the sum of its proper divisors (200198250).

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

109779030 is a wasteful number, since it uses less digits than its factorization.

109779030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23950 (or 23944 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 109779030 is about 10477.5488545747. The cubic root of 109779030 is about 478.8209342547.

Subtracting from 109779030 its reverse (30977901), we obtain a square (78801129 = 88772).

The spelling of 109779030 in words is "one hundred nine million, seven hundred seventy-nine thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 23917 47834 71751 119585 143502 215253 239170 358755 406589 430506 645759 717510 813178 1076265 1219767 1291518 2032945 2152530 2439534 3228795 3659301 4065890 6098835 6457590 7318602 10977903 12197670 18296505 21955806 36593010 54889515 109779030