Base | Representation |
---|---|
bin | 110101110010100… |
… | …010111101100100 |
3 | 2022220002211212100 |
4 | 311302202331210 |
5 | 3322011132402 |
6 | 225314252100 |
7 | 31235431503 |
oct | 6562427544 |
9 | 2286084770 |
10 | 902442852 |
11 | 423450743 |
12 | 212287030 |
13 | 114c7056c |
14 | 87bd483a |
15 | 5436071c |
hex | 35ca2f64 |
902442852 has 54 divisors (see below), whose sum is σ = 2296578102. Its totient is φ = 298793664.
The previous prime is 902442811. The next prime is 902442857. The reversal of 902442852 is 258244209.
It can be written as a sum of positive squares in only one way, i.e., 487261476 + 415181376 = 22074^2 + 20376^2 .
It is a super-2 number, since 2×9024428522 = 1628806202251787808, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (902442857) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2883048 + ... + 2883360.
Almost surely, 2902442852 is an apocalyptic number.
It is an amenable number.
902442852 is an abundant number, since it is smaller than the sum of its proper divisors (1394135250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
902442852 is a wasteful number, since it uses less digits than its factorization.
902442852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 889 (or 601 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 902442852 is about 30040.6866099961. The cubic root of 902442852 is about 966.3621316303.
It can be divided in two parts, 90244 and 2852, that added together give a triangular number (93096 = T431).
The spelling of 902442852 in words is "nine hundred two million, four hundred forty-two thousand, eight hundred fifty-two".
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