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103542419 = 195449601
BaseRepresentation
bin1100010101111…
…10111010010011
321012211111111102
412022332322103
5203001324134
614135135015
72365044641
oct612767223
9235744442
10103542419
11534a0a52
122a81446b
13185b4006
14da74191
15915437e
hex62bee93

103542419 has 4 divisors (see below), whose sum is σ = 108992040. Its totient is φ = 98092800.

The previous prime is 103542407. The next prime is 103542433. The reversal of 103542419 is 914245301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103542419 is a prime.

It is a super-3 number, since 3×1035424193 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103542391 and 103542400.

It is not an unprimeable number, because it can be changed into a prime (103542469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724782 + ... + 2724819.

It is an arithmetic number, because the mean of its divisors is an integer number (27248010).

Almost surely, 2103542419 is an apocalyptic number.

103542419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103542419 is a deficient number, since it is larger than the sum of its proper divisors (5449621).

103542419 is an equidigital number, since it uses as much as digits as its factorization.

103542419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449620.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103542419 is about 10175.5795412350. The cubic root of 103542419 is about 469.5762273483.

The spelling of 103542419 in words is "one hundred three million, five hundred forty-two thousand, four hundred nineteen".

Divisors: 1 19 5449601 103542419