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BaseRepresentation
bin10100001001010…
…11111000000000
3102210000010000212
422010223320000
5321231003243
624434133252
74121323451
oct1204537000
9383003025
10169000448
118743a5a1
1248721228
1329022386
1418633128
15ec84318
hexa12be00

169000448 has 40 divisors (see below), whose sum is σ = 342500400. Its totient is φ = 83292160.

The previous prime is 169000399. The next prime is 169000463. The reversal of 169000448 is 844000961.

It is a super-2 number, since 2×1690004482 = 57122302848401408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

Together with 173499952 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34028 + ... + 38676.

It is an arithmetic number, because the mean of its divisors is an integer number (8562510).

Almost surely, 2169000448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169000448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171250200).

169000448 is an abundant number, since it is smaller than the sum of its proper divisors (173499952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169000448 is an frugal number, since it uses more digits than its factorization.

169000448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 169000448 is about 13000.0172307578. The cubic root of 169000448 is about 552.8779699061.

The spelling of 169000448 in words is "one hundred sixty-nine million, four hundred forty-eight", and thus it is an aban number.