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103426143 = 334475381
BaseRepresentation
bin1100010101000…
…10100001011111
321012121120222220
412022202201133
5202434114033
614132440423
72364051642
oct612424137
9235546886
10103426143
1153421657
122a779113
1318573102
14da43a59
15912ebb3
hex62a285f

103426143 has 4 divisors (see below), whose sum is σ = 137901528. Its totient is φ = 68950760.

The previous prime is 103426109. The next prime is 103426157. The reversal of 103426143 is 341624301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341624301 = 3113874767.

It is a cyclic number.

It is not a de Polignac number, because 103426143 - 28 = 103425887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103426163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17237688 + ... + 17237693.

It is an arithmetic number, because the mean of its divisors is an integer number (34475382).

Almost surely, 2103426143 is an apocalyptic number.

103426143 is a deficient number, since it is larger than the sum of its proper divisors (34475385).

103426143 is an equidigital number, since it uses as much as digits as its factorization.

103426143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34475384.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 103426143 is about 10169.8644533740. The cubic root of 103426143 is about 469.4003867054.

The spelling of 103426143 in words is "one hundred three million, four hundred twenty-six thousand, one hundred forty-three".

Divisors: 1 3 34475381 103426143