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169040192 = 265989503
BaseRepresentation
bin10100001001101…
…01100101000000
3102210002010112212
422010311211000
5321233241232
624435041252
74121550356
oct1204654500
9383063485
10169040192
1187467442
1248740228
13290374a9
14186437d6
15ec90eb2
hexa135940

169040192 has 56 divisors (see below), whose sum is σ = 345643200. Its totient is φ = 81990656.

The previous prime is 169040191. The next prime is 169040219. The reversal of 169040192 is 291040961.

169040192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1690401922 = 57149173022793728, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169040191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335813 + ... + 336315.

It is an arithmetic number, because the mean of its divisors is an integer number (6172200).

Almost surely, 2169040192 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 169040192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172821600).

169040192 is an abundant number, since it is smaller than the sum of its proper divisors (176603008).

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

169040192 is an equidigital number, since it uses as much as digits as its factorization.

169040192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 169040192 is about 13001.5457542555. The cubic root of 169040192 is about 552.9213067927.

The spelling of 169040192 in words is "one hundred sixty-nine million, forty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 59 64 89 118 178 236 356 472 503 712 944 1006 1424 1888 2012 2848 3776 4024 5251 5696 8048 10502 16096 21004 29677 32192 42008 44767 59354 84016 89534 118708 168032 179068 237416 336064 358136 474832 716272 949664 1432544 1899328 2641253 2865088 5282506 10565012 21130024 42260048 84520096 169040192