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163464031 = 533084227
BaseRepresentation
bin10011011111001…
…00001101011111
3102101120211111101
421233210031133
5313321322111
624115333531
74023264343
oct1157441537
9371524441
10163464031
11842a8a45
12468b12a7
1327b343a3
14179d1623
15e53dbc1
hex9be435f

163464031 has 4 divisors (see below), whose sum is σ = 166548312. Its totient is φ = 160379752.

The previous prime is 163464029. The next prime is 163464047. The reversal of 163464031 is 130464361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163464031 - 21 = 163464029 is a prime.

It is a super-2 number, since 2×1634640312 = 53440978861537922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163462031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542061 + ... + 1542166.

It is an arithmetic number, because the mean of its divisors is an integer number (41637078).

Almost surely, 2163464031 is an apocalyptic number.

163464031 is a deficient number, since it is larger than the sum of its proper divisors (3084281).

163464031 is an equidigital number, since it uses as much as digits as its factorization.

163464031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084280.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 163464031 is about 12785.3052759799. The cubic root of 163464031 is about 546.7734290210.

The spelling of 163464031 in words is "one hundred sixty-three million, four hundred sixty-four thousand, thirty-one".

Divisors: 1 53 3084227 163464031