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109394774 = 21371572543
BaseRepresentation
bin1101000010100…
…11101101010110
321121211211102022
412201103231112
5211001113044
614504413142
72465561126
oct641235526
9247754368
10109394774
1156828a05
12307771b2
1319882a48
1410758c86
15990d3ee
hex6853b56

109394774 has 16 divisors (see below), whose sum is σ = 166408128. Its totient is φ = 53931072.

The previous prime is 109394759. The next prime is 109394783. The reversal of 109394774 is 477493901.

It is a happy number.

It is a super-2 number, since 2×1093947742 = 23934433157022152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41747 + ... + 44289.

It is an arithmetic number, because the mean of its divisors is an integer number (10400508).

Almost surely, 2109394774 is an apocalyptic number.

109394774 is a deficient number, since it is larger than the sum of its proper divisors (57013354).

109394774 is a wasteful number, since it uses less digits than its factorization.

109394774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 109394774 is about 10459.1956669717. The cubic root of 109394774 is about 478.2616139955.

The spelling of 109394774 in words is "one hundred nine million, three hundred ninety-four thousand, seven hundred seventy-four".

Divisors: 1 2 137 157 274 314 2543 5086 21509 43018 348391 399251 696782 798502 54697387 109394774