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103430493 = 333830759
BaseRepresentation
bin1100010101000…
…11100101011101
321012121210222000
412022203211131
5202434233433
614132512513
72364100425
oct612434535
9235553860
10103430493
1153424951
122a77b739
131857509a
14da45485
159131113
hex62a395d

103430493 has 8 divisors (see below), whose sum is σ = 153230400. Its totient is φ = 68953644.

The previous prime is 103430489. The next prime is 103430497. The reversal of 103430493 is 394034301.

It is an interprime number because it is at equal distance from previous prime (103430489) and next prime (103430497).

It is not a de Polignac number, because 103430493 - 22 = 103430489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3830759 = 103430493 / (1 + 0 + 3 + 4 + 3 + 0 + 4 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103430497) 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, 1915353 + ... + 1915406.

It is an arithmetic number, because the mean of its divisors is an integer number (19153800).

Almost surely, 2103430493 is an apocalyptic number.

It is an amenable number.

103430493 is a deficient number, since it is larger than the sum of its proper divisors (49799907).

103430493 is an equidigital number, since it uses as much as digits as its factorization.

103430493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830768 (or 3830762 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 103430493 is about 10170.0783182825. The cubic root of 103430493 is about 469.4069674499.

Adding to 103430493 its reverse (394034301), we get a palindrome (497464794).

The spelling of 103430493 in words is "one hundred three million, four hundred thirty thousand, four hundred ninety-three".

Divisors: 1 3 9 27 3830759 11492277 34476831 103430493