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103020199 = 698314753
BaseRepresentation
bin1100010001111…
…11011010100111
321011211222010221
412020333122213
5202333121244
614120025211
72360441302
oct610773247
9234758127
10103020199
1153174667
122a602207
13184603c9
14d979b39
15909e784
hex623f6a7

103020199 has 4 divisors (see below), whose sum is σ = 103041936. Its totient is φ = 102998464.

The previous prime is 103020157. The next prime is 103020227. The reversal of 103020199 is 991020301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991020301 = 1879527419.

It is a cyclic number.

It is not a de Polignac number, because 103020199 - 215 = 102987431 is a prime.

It is a super-2 number, since 2×1030201992 = 21226322803999202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020149) 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, 394 + ... + 14359.

It is an arithmetic number, because the mean of its divisors is an integer number (25760484).

Almost surely, 2103020199 is an apocalyptic number.

103020199 is a deficient number, since it is larger than the sum of its proper divisors (21737).

103020199 is an equidigital number, since it uses as much as digits as its factorization.

103020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21736.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 103020199 is about 10149.8866496134. The cubic root of 103020199 is about 468.7854547642.

The spelling of 103020199 in words is "one hundred three million, twenty thousand, one hundred ninety-nine".

Divisors: 1 6983 14753 103020199