Base | Representation |
---|---|
bin | 10110001100100… |
… | …110011101100100 |
3 | 221221201222112102 |
4 | 112030212131210 |
5 | 1230313331040 |
6 | 100541511232 |
7 | 12141236114 |
oct | 2614463544 |
9 | 857658472 |
10 | 372402020 |
11 | 181236171 |
12 | a4872518 |
13 | 5c1caa33 |
14 | 3765d044 |
15 | 22a61515 |
hex | 16326764 |
372402020 has 12 divisors (see below), whose sum is σ = 782044284. Its totient is φ = 148960800.
The previous prime is 372402001. The next prime is 372402047. The reversal of 372402020 is 20204273.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 62853184 + 309548836 = 7928^2 + 17594^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 18620101 = 372402020 / (3 + 7 + 2 + 4 + 0 + 2 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 372401983 and 372402001.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9310031 + ... + 9310070.
It is an arithmetic number, because the mean of its divisors is an integer number (65170357).
Almost surely, 2372402020 is an apocalyptic number.
It is an amenable number.
372402020 is an abundant number, since it is smaller than the sum of its proper divisors (409642264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
372402020 is a wasteful number, since it uses less digits than its factorization.
372402020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18620110 (or 18620108 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 20.
The square root of 372402020 is about 19297.7205907848. The cubic root of 372402020 is about 719.4556198855.
Adding to 372402020 its reverse (20204273), we get a palindrome (392606293).
The spelling of 372402020 in words is "three hundred seventy-two million, four hundred two thousand, twenty".
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