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163397048 = 2320424631
BaseRepresentation
bin10011011110100…
…11110110111000
3102101110102121112
421233103312320
5313312201143
624114055452
74022565143
oct1157236670
9371412545
10163397048
1184262691
124687a588
1327b0ca59
14179b505a
15e528e18
hex9bd3db8

163397048 has 8 divisors (see below), whose sum is σ = 306369480. Its totient is φ = 81698520.

The previous prime is 163397041. The next prime is 163397077. The reversal of 163397048 is 840793361.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1633970482 = 53397190590228608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163396996 and 163397014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163397041) 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 as a sum of consecutive naturals, namely, 10212308 + ... + 10212323.

It is an arithmetic number, because the mean of its divisors is an integer number (38296185).

Almost surely, 2163397048 is an apocalyptic number.

It is an amenable number.

163397048 is a deficient number, since it is larger than the sum of its proper divisors (142972432).

163397048 is a wasteful number, since it uses less digits than its factorization.

163397048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20424637 (or 20424633 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 163397048 is about 12782.6854768472. The cubic root of 163397048 is about 546.6987346513.

The spelling of 163397048 in words is "one hundred sixty-three million, three hundred ninety-seven thousand, forty-eight".

Divisors: 1 2 4 8 20424631 40849262 81698524 163397048