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163454113 = 1571041109
BaseRepresentation
bin10011011111000…
…01110010100001
3102101120022220001
421233201302201
5313321012423
624115220001
74023223414
oct1157416241
9371508801
10163454113
11842a1549
12468a7601
1327b2ca14
14179cbb7b
15e53acad
hex9be1ca1

163454113 has 4 divisors (see below), whose sum is σ = 164495380. Its totient is φ = 162412848.

The previous prime is 163454087. The next prime is 163454117. The reversal of 163454113 is 311454361.

163454113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311454361 = 347897563.

It can be written as a sum of positive squares in 2 ways, for example, as 88510464 + 74943649 = 9408^2 + 8657^2 .

It is a cyclic number.

It is not a de Polignac number, because 163454113 - 29 = 163453601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163454117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520398 + ... + 520711.

It is an arithmetic number, because the mean of its divisors is an integer number (41123845).

Almost surely, 2163454113 is an apocalyptic number.

It is an amenable number.

163454113 is a deficient number, since it is larger than the sum of its proper divisors (1041267).

163454113 is a wasteful number, since it uses less digits than its factorization.

163454113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041266.

The product of its digits is 4320, while the sum is 28.

The square root of 163454113 is about 12784.9174029401. The cubic root of 163454113 is about 546.7623705056.

It can be divided in two parts, 163 and 454113, that added together give a square (454276 = 6742).

The spelling of 163454113 in words is "one hundred sixty-three million, four hundred fifty-four thousand, one hundred thirteen".

Divisors: 1 157 1041109 163454113