Search a number
-
+
163460031 = 3724759401
BaseRepresentation
bin10011011111000…
…11001110111111
3102101120122000020
421233203032333
5313321210111
624115303223
74023246600
oct1157431677
9371518006
10163460031
11842a5a39
12468aab13
1327b32617
14179cdda7
15e53c906
hex9be33bf

163460031 has 48 divisors (see below), whose sum is σ = 263969280. Its totient is φ = 89644800.

The previous prime is 163460029. The next prime is 163460039. The reversal of 163460031 is 130064361.

It is not a de Polignac number, because 163460031 - 21 = 163460029 is a prime.

It is a super-2 number, since 2×1634600312 = 53438363469041922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163459983 and 163460010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163460039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407431 + ... + 407831.

It is an arithmetic number, because the mean of its divisors is an integer number (5499360).

Almost surely, 2163460031 is an apocalyptic number.

163460031 is a deficient number, since it is larger than the sum of its proper divisors (100509249).

163460031 is a wasteful number, since it uses less digits than its factorization.

163460031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 163460031 is about 12785.1488454378. The cubic root of 163460031 is about 546.7689690969.

The spelling of 163460031 in words is "one hundred sixty-three million, four hundred sixty thousand, thirty-one".

Divisors: 1 3 7 21 47 49 59 141 147 177 329 401 413 987 1203 1239 2303 2773 2807 2891 6909 8319 8421 8673 18847 19411 19649 23659 56541 58233 58947 70977 131929 135877 165613 395787 407631 496839 923503 1111973 1159291 2770509 3335919 3477873 7783811 23351433 54486677 163460031