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109719357 = 31119174991
BaseRepresentation
bin1101000101000…
…10111100111101
321122110022122220
412202202330331
5211042004412
614515355553
72501412336
oct642427475
9248408586
10109719357
1156a2a860
12308b2bb9
13199676c7
141080128d
15997468c
hex68a2f3d

109719357 has 16 divisors (see below), whose sum is σ = 167992320. Its totient is φ = 62996400.

The previous prime is 109719349. The next prime is 109719371. The reversal of 109719357 is 753917901.

It is not a de Polignac number, because 109719357 - 23 = 109719349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109719307) 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, 86869 + ... + 88122.

It is an arithmetic number, because the mean of its divisors is an integer number (10499520).

Almost surely, 2109719357 is an apocalyptic number.

It is an amenable number.

109719357 is a deficient number, since it is larger than the sum of its proper divisors (58272963).

109719357 is a wasteful number, since it uses less digits than its factorization.

109719357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175024.

The product of its (nonzero) digits is 59535, while the sum is 42.

The square root of 109719357 is about 10474.7008071830. The cubic root of 109719357 is about 478.7341603651.

The spelling of 109719357 in words is "one hundred nine million, seven hundred nineteen thousand, three hundred fifty-seven".

Divisors: 1 3 11 19 33 57 209 627 174991 524973 1924901 3324829 5774703 9974487 36573119 109719357