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103209193 = 1710358943
BaseRepresentation
bin1100010011011…
…01100011101001
321012012120101201
412021231203221
5202410143233
614124044201
72362156303
oct611554351
9235176351
10103209193
115329365a
122a693661
13184c8439
14d9c8973
1590da77d
hex626d8e9

103209193 has 8 divisors (see below), whose sum is σ = 110343168. Its totient is φ = 96193344.

The previous prime is 103209191. The next prime is 103209209. The reversal of 103209193 is 391902301.

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

It is not a de Polignac number, because 103209193 - 21 = 103209191 is a prime.

It is a super-2 number, since 2×1032091932 = 21304275039422498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103209191) 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, 27721 + ... + 31222.

It is an arithmetic number, because the mean of its divisors is an integer number (13792896).

Almost surely, 2103209193 is an apocalyptic number.

It is an amenable number.

103209193 is a deficient number, since it is larger than the sum of its proper divisors (7133975).

103209193 is a wasteful number, since it uses less digits than its factorization.

103209193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59063.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 103209193 is about 10159.1925368112. The cubic root of 103209193 is about 469.0719471731.

The spelling of 103209193 in words is "one hundred three million, two hundred nine thousand, one hundred ninety-three".

Divisors: 1 17 103 1751 58943 1002031 6071129 103209193