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102919301 = 197593881
BaseRepresentation
bin1100010001001…
…10110010000101
321011122211201222
412020212302011
5202321404201
614113530125
72356541162
oct610466205
9234584658
10102919301
1153105881
122a573945
13184264c4
14d951069
15907e91b
hex6226c85

102919301 has 8 divisors (see below), whose sum is σ = 103733784. Its totient is φ = 102108160.

The previous prime is 102919283. The next prime is 102919321. The reversal of 102919301 is 103919201.

It can be written as a sum of positive squares in 4 ways, for example, as 32376100 + 70543201 = 5690^2 + 8399^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102919301 - 218 = 102657157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102919321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116381 + ... + 117261.

It is an arithmetic number, because the mean of its divisors is an integer number (12966723).

Almost surely, 2102919301 is an apocalyptic number.

It is an amenable number.

102919301 is a deficient number, since it is larger than the sum of its proper divisors (814483).

102919301 is an equidigital number, since it uses as much as digits as its factorization.

102919301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 102919301 is about 10144.9150316797. The cubic root of 102919301 is about 468.6323619228.

The spelling of 102919301 in words is "one hundred two million, nine hundred nineteen thousand, three hundred one".

Divisors: 1 197 593 881 116821 173557 522433 102919301