Search a number
-
+
9280738140 = 2235124372
BaseRepresentation
bin10001010010010110…
…01101001101011100
3212221210100100100020
420221023031031130
5123001332110030
64132530232140
7445661654412
oct105113151534
925853310306
109280738140
113a32809a23
121970125650
13b4b99593b
146408132b2
15394b83510
hex2292cd35c

9280738140 has 36 divisors (see below), whose sum is σ = 25988156376. Its totient is φ = 2474664512.

The previous prime is 9280738097. The next prime is 9280738153. The reversal of 9280738140 is 418370829.

It is a super-2 number, since 2×92807381402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9280738092 and 9280738101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740002 + ... + 752438.

Almost surely, 29280738140 is an apocalyptic number.

It is an amenable number.

9280738140 is an abundant number, since it is smaller than the sum of its proper divisors (16707418236).

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

9280738140 is an equidigital number, since it uses as much as digits as its factorization.

9280738140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24886 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 9280738140 is about 96336.5877535633. The cubic root of 9280738140 is about 2101.4908642348.

The spelling of 9280738140 in words is "nine billion, two hundred eighty million, seven hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12437 24874 37311 49748 62185 74622 124370 149244 186555 248740 373110 746220 154678969 309357938 464036907 618715876 773394845 928073814 1546789690 1856147628 2320184535 3093579380 4640369070 9280738140