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161334460 = 22572164627
BaseRepresentation
bin10011001110111…
…00010010111100
3102020120122021101
421213130102330
5312300200320
624001542444
73666214600
oct1147342274
9366518241
10161334460
1183083a71
1246044a24
1327569ca1
14175d9500
15e26cc0a
hex99dc4bc

161334460 has 36 divisors (see below), whose sum is σ = 394119432. Its totient is φ = 55314336.

The previous prime is 161334431. The next prime is 161334461. The reversal of 161334460 is 64433161.

161334460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161334461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81334 + ... + 83293.

It is an arithmetic number, because the mean of its divisors is an integer number (10947762).

Almost surely, 2161334460 is an apocalyptic number.

161334460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161334460 is an abundant number, since it is smaller than the sum of its proper divisors (232784972).

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

161334460 is a wasteful number, since it uses less digits than its factorization.

161334460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164650 (or 164641 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 161334460 is about 12701.7502730923. The cubic root of 161334460 is about 544.3886307108.

The spelling of 161334460 in words is "one hundred sixty-one million, three hundred thirty-four thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 164627 329254 658508 823135 1152389 1646270 2304778 3292540 4609556 5761945 8066723 11523890 16133446 23047780 32266892 40333615 80667230 161334460