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109751942 = 2192712141
BaseRepresentation
bin1101000101010…
…10111010000110
321122111222100202
412202222322012
5211044030232
614520210502
72501606336
oct642527206
9248458322
10109751942
1156a52293
1230909a32
13199794a1
141080d0c6
15997e162
hex68aae86

109751942 has 24 divisors (see below), whose sum is σ = 176278032. Its totient is φ = 51231600.

The previous prime is 109751927. The next prime is 109751947. The reversal of 109751942 is 249157901.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 109751896 and 109751905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109751947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50192 + ... + 52332.

It is an arithmetic number, because the mean of its divisors is an integer number (7344918).

Almost surely, 2109751942 is an apocalyptic number.

109751942 is a deficient number, since it is larger than the sum of its proper divisors (66526090).

109751942 is a wasteful number, since it uses less digits than its factorization.

109751942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 109751942 is about 10476.2561060715. The cubic root of 109751942 is about 478.7815479578.

The spelling of 109751942 in words is "one hundred nine million, seven hundred fifty-one thousand, nine hundred forty-two".

Divisors: 1 2 19 38 71 142 361 722 1349 2141 2698 4282 25631 40679 51262 81358 152011 304022 772901 1545802 2888209 5776418 54875971 109751942