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161464706 = 21317335897
BaseRepresentation
bin10011001111111…
…00000110000010
3102020211020221022
421213330012002
5312313332311
624004425442
74000266404
oct1147740602
9366736838
10161464706
1183162907
12460a8282
13275b4360
1417630b74
15e2965db
hex99fc182

161464706 has 16 divisors (see below), whose sum is σ = 262342584. Its totient is φ = 74089344.

The previous prime is 161464687. The next prime is 161464733. The reversal of 161464706 is 607464161.

It can be written as a sum of positive squares in 4 ways, for example, as 151167025 + 10297681 = 12295^2 + 3209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13451 + ... + 22446.

Almost surely, 2161464706 is an apocalyptic number.

161464706 is a deficient number, since it is larger than the sum of its proper divisors (100877878).

161464706 is a wasteful number, since it uses less digits than its factorization.

161464706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36085.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 161464706 is about 12706.8763274064. The cubic root of 161464706 is about 544.5350870634.

The spelling of 161464706 in words is "one hundred sixty-one million, four hundred sixty-four thousand, seven hundred six".

Divisors: 1 2 13 26 173 346 2249 4498 35897 71794 466661 933322 6210181 12420362 80732353 161464706