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109944157 = 1031517069
BaseRepresentation
bin1101000110110…
…01110101011101
321122212202000211
412203121311131
5211121203112
614524252421
72503336621
oct643316535
9248782024
10109944157
1157073744
12309a1111
1319a15b1b
141085d181
1599bb0a7
hex68d9d5d

109944157 has 8 divisors (see below), whose sum is σ = 111762560. Its totient is φ = 108140400.

The previous prime is 109944137. The next prime is 109944167. The reversal of 109944157 is 751449901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109944157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109944137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12019 + ... + 19087.

It is an arithmetic number, because the mean of its divisors is an integer number (13970320).

Almost surely, 2109944157 is an apocalyptic number.

It is an amenable number.

109944157 is a deficient number, since it is larger than the sum of its proper divisors (1818403).

109944157 is a wasteful number, since it uses less digits than its factorization.

109944157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 109944157 is about 10485.4259331703. The cubic root of 109944157 is about 479.0608909942.

It can be divided in two parts, 10994 and 4157, that added together give a palindrome (15151).

The spelling of 109944157 in words is "one hundred nine million, nine hundred forty-four thousand, one hundred fifty-seven".

Divisors: 1 103 151 7069 15553 728107 1067419 109944157