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920168002 = 21341863197
BaseRepresentation
bin110110110110001…
…010011001000010
32101010110101012101
4312312022121002
53341030334002
6231150221014
731542204355
oct6666123102
92333411171
10920168002
11432457926
122181b476a
13118838410
148a2ca29c
1555bb2587
hex36d8a642

920168002 has 16 divisors (see below), whose sum is σ = 1522681272. Its totient is φ = 414334080.

The previous prime is 920167987. The next prime is 920168003. The reversal of 920168002 is 200861029.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 384199201 + 535968801 = 19601^2 + 23151^2 .

It is not an unprimeable number, because it can be changed into a prime (920168003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430533 + ... + 432664.

Almost surely, 2920168002 is an apocalyptic number.

920168002 is a deficient number, since it is larger than the sum of its proper divisors (602513270).

920168002 is a wasteful number, since it uses less digits than its factorization.

920168002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863253.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 920168002 is about 30334.2710807430. The cubic root of 920168002 is about 972.6480243794.

The spelling of 920168002 in words is "nine hundred twenty million, one hundred sixty-eight thousand, two".

Divisors: 1 2 13 26 41 82 533 1066 863197 1726394 11221561 22443122 35391077 70782154 460084001 920168002