Search a number
-
+
1366690148 = 222251151787
BaseRepresentation
bin101000101110110…
…0000100101100100
310112020200001102122
41101131200211210
510244333041043
6343340525112
745603450245
oct12135404544
93466601378
101366690148
1164150859a
12321850798
1318a1b80c5
14cd720ccc
157eeb5368
hex51760964

1366690148 has 12 divisors (see below), whose sum is σ = 2392786032. Its totient is φ = 683037000.

The previous prime is 1366690123. The next prime is 1366690151. The reversal of 1366690148 is 8410966631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1366690099 and 1366690108.

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 3 ways as a sum of consecutive naturals, for example, 66890 + ... + 84897.

It is an arithmetic number, because the mean of its divisors is an integer number (199398836).

Almost surely, 21366690148 is an apocalyptic number.

It is an amenable number.

1366690148 is a deficient number, since it is larger than the sum of its proper divisors (1026095884).

1366690148 is a wasteful number, since it uses less digits than its factorization.

1366690148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154042 (or 154040 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1366690148 is about 36968.7726060793. The cubic root of 1366690148 is about 1109.7454027451.

The spelling of 1366690148 in words is "one billion, three hundred sixty-six million, six hundred ninety thousand, one hundred forty-eight".

Divisors: 1 2 4 2251 4502 9004 151787 303574 607148 341672537 683345074 1366690148