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109298925 = 32521937691
BaseRepresentation
bin1101000001111…
…00010011101101
321121122221221100
412200330103231
5210440031200
614502353313
72465011521
oct640742355
9247587840
10109298925
115677299a
123072b839
131984b228
1410731d81
1598ded00
hex683c4ed

109298925 has 72 divisors (see below), whose sum is σ = 211945760. Its totient is φ = 53654400.

The previous prime is 109298881. The next prime is 109298927. The reversal of 109298925 is 529892901.

It is not a de Polignac number, because 109298925 - 210 = 109297901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109298927) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 157830 + ... + 158520.

Almost surely, 2109298925 is an apocalyptic number.

109298925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109298925 is a deficient number, since it is larger than the sum of its proper divisors (102646835).

109298925 is a wasteful number, since it uses less digits than its factorization.

109298925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 109298925 is about 10454.6126183613. The cubic root of 109298925 is about 478.1218928415.

The spelling of 109298925 in words is "one hundred nine million, two hundred ninety-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 19 25 37 45 57 75 95 111 171 185 225 285 333 475 555 691 703 855 925 1425 1665 2073 2109 2775 3455 3515 4275 6219 6327 8325 10365 10545 13129 17275 17575 25567 31095 31635 39387 51825 52725 65645 76701 118161 127835 155475 158175 196935 230103 328225 383505 485773 590805 639175 984675 1150515 1457319 1917525 2428865 2954025 4371957 5752575 7286595 12144325 21859785 36432975 109298925