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102050319 = 374859539
BaseRepresentation
bin1100001010100…
…10101000001111
321010000200201110
412011102220033
5202111102234
614043143103
72346261540
oct605225017
9233020643
10102050319
1152671a08
122a214a93
13181b0b07
14d7a64c7
158e5c1e9
hex6152a0f

102050319 has 8 divisors (see below), whose sum is σ = 155505280. Its totient is φ = 58314456.

The previous prime is 102050317. The next prime is 102050327. The reversal of 102050319 is 913050201.

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

It is not a de Polignac number, because 102050319 - 21 = 102050317 is a prime.

It is a super-2 number, since 2×1020503192 = 20828535216003522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4859539 = 102050319 / (1 + 0 + 2 + 0 + 5 + 0 + 3 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 102050295 and 102050304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102050317) 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, 2429749 + ... + 2429790.

It is an arithmetic number, because the mean of its divisors is an integer number (19438160).

Almost surely, 2102050319 is an apocalyptic number.

102050319 is a deficient number, since it is larger than the sum of its proper divisors (53454961).

102050319 is an equidigital number, since it uses as much as digits as its factorization.

102050319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859549.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 102050319 is about 10101.9957929114. The cubic root of 102050319 is about 467.3096925279.

The spelling of 102050319 in words is "one hundred two million, fifty thousand, three hundred nineteen".

Divisors: 1 3 7 21 4859539 14578617 34016773 102050319