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109380644 = 221989103157
BaseRepresentation
bin1101000010100…
…00010000100100
321121211010000222
412201100100210
5211000140034
614504223512
72465502002
oct641202044
9247733028
10109380644
115681932a
123076ab98
1319879499
1410753a72
15990912e
hex6850424

109380644 has 48 divisors (see below), whose sum is σ = 207043200. Its totient is φ = 50409216.

The previous prime is 109380641. The next prime is 109380647. The reversal of 109380644 is 446083901.

It is an interprime number because it is at equal distance from previous prime (109380641) and next prime (109380647).

It is not an unprimeable number, because it can be changed into a prime (109380641) 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, 696614 + ... + 696770.

It is an arithmetic number, because the mean of its divisors is an integer number (4313400).

Almost surely, 2109380644 is an apocalyptic number.

It is an amenable number.

109380644 is a deficient number, since it is larger than the sum of its proper divisors (97662556).

109380644 is a wasteful number, since it uses less digits than its factorization.

109380644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 109380644 is about 10458.5201630059. The cubic root of 109380644 is about 478.2410215201.

The spelling of 109380644 in words is "one hundred nine million, three hundred eighty thousand, six hundred forty-four".

Divisors: 1 2 4 19 38 76 89 103 157 178 206 314 356 412 628 1691 1957 2983 3382 3914 5966 6764 7828 9167 11932 13973 16171 18334 27946 32342 36668 55892 64684 174173 265487 307249 348346 530974 614498 696692 1061948 1228996 1439219 2878438 5756876 27345161 54690322 109380644