Search a number
-
+
920161029 = 3372224047
BaseRepresentation
bin110110110110001…
…000101100000101
32101010110000122010
4312312020230011
53341030123104
6231150124433
731542145134
oct6666105405
92333400563
10920161029
11432452667
122181b0719
131188351a8
148a2c791b
1555bb0489
hex36d88b05

920161029 has 12 divisors (see below), whose sum is σ = 1260942144. Its totient is φ = 596858544.

The previous prime is 920161009. The next prime is 920161031.

It is a happy number.

920161029 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 920161029 - 212 = 920156933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920160987 and 920161005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920161009) 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, 107917 + ... + 116130.

It is an arithmetic number, because the mean of its divisors is an integer number (105078512).

Almost surely, 2920161029 is an apocalyptic number.

It is an amenable number.

920161029 is a deficient number, since it is larger than the sum of its proper divisors (340781115).

920161029 is a wasteful number, since it uses less digits than its factorization.

920161029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224124 (or 224087 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 920161029 is about 30334.1561445180. The cubic root of 920161029 is about 972.6455674759.

The spelling of 920161029 in words is "nine hundred twenty million, one hundred sixty-one thousand, twenty-nine".

Divisors: 1 3 37 111 1369 4107 224047 672141 8289739 24869217 306720343 920161029