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146363431 = 318835347
BaseRepresentation
bin10001011100101…
…01010000100111
3101012102000212211
420232111100213
5244432112211
622305024251
73425032354
oct1056252047
9335360784
10146363431
1175689015
1241025087
13244278a6
141561d62b
15ccb1e21
hex8b95427

146363431 has 8 divisors (see below), whose sum is σ = 151284224. Its totient is φ = 141455160.

The previous prime is 146363429. The next prime is 146363449. The reversal of 146363431 is 134363641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146363431 - 21 = 146363429 is a prime.

It is a super-2 number, since 2×1463634312 = 42844507868183522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146363393 and 146363402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146363401) 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 7 ways as a sum of consecutive naturals, for example, 24700 + ... + 30046.

It is an arithmetic number, because the mean of its divisors is an integer number (18910528).

Almost surely, 2146363431 is an apocalyptic number.

146363431 is a deficient number, since it is larger than the sum of its proper divisors (4920793).

146363431 is an equidigital number, since it uses as much as digits as its factorization.

146363431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261.

The product of its digits is 15552, while the sum is 31.

The square root of 146363431 is about 12098.0755081129. The cubic root of 146363431 is about 527.0002976521. Note that the first 3 decimals are identical.

The spelling of 146363431 in words is "one hundred forty-six million, three hundred sixty-three thousand, four hundred thirty-one".

Divisors: 1 31 883 5347 27373 165757 4721401 146363431