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124248431 is a prime number
BaseRepresentation
bin1110110011111…
…10000101101111
322122210110210202
413121332011233
5223301422211
620155024115
73036044216
oct731760557
9278713722
10124248431
116415375a
123573b03b
131c9838a8
141270407d
15ad9453b
hex767e16f

124248431 has 2 divisors, whose sum is σ = 124248432. Its totient is φ = 124248430.

The previous prime is 124248413. The next prime is 124248469. The reversal of 124248431 is 134842421.

Together with previous prime (124248413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124248431 is a prime.

It is a super-2 number, since 2×1242484312 = 30875345211923522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124248394 and 124248403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124245431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62124215 + 62124216.

It is an arithmetic number, because the mean of its divisors is an integer number (62124216).

Almost surely, 2124248431 is an apocalyptic number.

124248431 is a deficient number, since it is larger than the sum of its proper divisors (1).

124248431 is an equidigital number, since it uses as much as digits as its factorization.

124248431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 29.

The square root of 124248431 is about 11146.6780253132. The cubic root of 124248431 is about 498.9958928876.

The spelling of 124248431 in words is "one hundred twenty-four million, two hundred forty-eight thousand, four hundred thirty-one".