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147408031 is a prime number
BaseRepresentation
bin10001100100101…
…00010010011111
3101021101002210201
420302110102133
5300214024111
622343244331
73436643011
oct1062242237
9337332721
10147408031
1176231921
12414496a7
13247021b4
14158121b1
15ce1b6c1
hex8c9449f

147408031 has 2 divisors, whose sum is σ = 147408032. Its totient is φ = 147408030.

The previous prime is 147408013. The next prime is 147408077. The reversal of 147408031 is 130804741.

Together with previous prime (147408013) 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 not a de Polignac number, because 147408031 - 213 = 147399839 is a prime.

It is a super-2 number, since 2×1474080312 = 43458255206593922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147408431) 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 as a sum of consecutive naturals, namely, 73704015 + 73704016.

It is an arithmetic number, because the mean of its divisors is an integer number (73704016).

Almost surely, 2147408031 is an apocalyptic number.

147408031 is a deficient number, since it is larger than the sum of its proper divisors (1).

147408031 is an equidigital number, since it uses as much as digits as its factorization.

147408031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 147408031 is about 12141.1709072890. The cubic root of 147408031 is about 528.2510655065.

The spelling of 147408031 in words is "one hundred forty-seven million, four hundred eight thousand, thirty-one".