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163464743 = 1322274261
BaseRepresentation
bin10011011111001…
…00011000100111
3102101120212110202
421233210120213
5313321332433
624115341115
74023266411
oct1157443047
9371525422
10163464743
11842a9532
12468b179b
1327b34800
14179d19b1
15e53dee8
hex9be4627

163464743 has 12 divisors (see below), whose sum is σ = 177827688. Its totient is φ = 150190560.

The previous prime is 163464737. The next prime is 163464797. The reversal of 163464743 is 347464361.

It is a happy number.

It is not a de Polignac number, because 163464743 - 24 = 163464727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163464697 and 163464706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163464143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36233 + ... + 40493.

It is an arithmetic number, because the mean of its divisors is an integer number (14818974).

Almost surely, 2163464743 is an apocalyptic number.

163464743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163464743 is a deficient number, since it is larger than the sum of its proper divisors (14362945).

163464743 is a wasteful number, since it uses less digits than its factorization.

163464743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514 (or 4501 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 163464743 is about 12785.3331204158. Note that the first 3 decimals coincide. The cubic root of 163464743 is about 546.7742228799.

The spelling of 163464743 in words is "one hundred sixty-three million, four hundred sixty-four thousand, seven hundred forty-three".

Divisors: 1 13 169 227 2951 4261 38363 55393 720109 967247 12574211 163464743