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164092077 = 3237492769
BaseRepresentation
bin10011100011111…
…01100010101101
3102102202202000100
421301331202231
5314001421302
624141021313
74031521362
oct1161754255
9372682010
10164092077
1184697896
1246b54839
1327cc4206
1417b16469
15e614d1c
hex9c7d8ad

164092077 has 12 divisors (see below), whose sum is σ = 243428380. Its totient is φ = 106437888.

The previous prime is 164092043. The next prime is 164092091. The reversal of 164092077 is 770290461.

It is a happy number.

164092077 is a `hidden beast` number, since 1 + 640 + 9 + 2 + 0 + 7 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87721956 + 76370121 = 9366^2 + 8739^2 .

It is not a de Polignac number, because 164092077 - 212 = 164087981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164092277) 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, 246052 + ... + 246717.

Almost surely, 2164092077 is an apocalyptic number.

It is an amenable number.

164092077 is a deficient number, since it is larger than the sum of its proper divisors (79336303).

164092077 is a wasteful number, since it uses less digits than its factorization.

164092077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492812 (or 492809 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 164092077 is about 12809.8429732764. The cubic root of 164092077 is about 547.4727877887.

The spelling of 164092077 in words is "one hundred sixty-four million, ninety-two thousand, seventy-seven".

Divisors: 1 3 9 37 111 333 492769 1478307 4434921 18232453 54697359 164092077