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9050020 = 2257127509
BaseRepresentation
bin100010100001…
…011110100100
3122000210021221
4202201132210
54304100040
6521550124
7136631620
oct42413644
918023257
109050020
115121461
123045344
131b4b355
1412b8180
15bdb74a
hex8a17a4

9050020 has 48 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 3072384.

The previous prime is 9049987. The next prime is 9050039. The reversal of 9050020 is 200509.

It is a junction number, because it is equal to n+sod(n) for n = 9049976 and 9050003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17526 + ... + 18034.

It is an arithmetic number, because the mean of its divisors is an integer number (456960).

Almost surely, 29050020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9050020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10967040).

9050020 is an abundant number, since it is smaller than the sum of its proper divisors (12884060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9050020 is a wasteful number, since it uses less digits than its factorization.

9050020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 9050020 is about 3008.3251154089. The cubic root of 9050020 is about 208.3930253842.

Adding to 9050020 its reverse (200509), we get a palindrome (9250529).

The spelling of 9050020 in words is "nine million, fifty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 127 140 254 508 509 635 889 1018 1270 1778 2036 2540 2545 3556 3563 4445 5090 7126 8890 10180 14252 17780 17815 35630 64643 71260 129286 258572 323215 452501 646430 905002 1292860 1810004 2262505 4525010 9050020