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161314406 = 21166111093
BaseRepresentation
bin10011001110101…
…11011001100110
3102020112121202122
421213113121212
5312244030111
624001305542
73666102251
oct1147273146
9366477678
10161314406
118306a9a0
12460352b2
1327560b16
14175d2098
15e266cdb
hex99d7666

161314406 has 16 divisors (see below), whose sum is σ = 264392208. Its totient is φ = 73207200.

The previous prime is 161314381. The next prime is 161314423. The reversal of 161314406 is 604413161.

It is a super-3 number, since 3×1613144063 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8996 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (16524513).

Almost surely, 2161314406 is an apocalyptic number.

161314406 is a deficient number, since it is larger than the sum of its proper divisors (103077802).

161314406 is a wasteful number, since it uses less digits than its factorization.

161314406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 161314406 is about 12700.9608297955. The cubic root of 161314406 is about 544.3660737981.

Adding to 161314406 its reverse (604413161), we get a palindrome (765727567).

The spelling of 161314406 in words is "one hundred sixty-one million, three hundred fourteen thousand, four hundred six".

Divisors: 1 2 11 22 661 1322 7271 11093 14542 22186 122023 244046 7332473 14664946 80657203 161314406