Search a number
-
+
1004470731 = 321128311113
BaseRepresentation
bin111011110111110…
…000000111001011
32121000002101210200
4323313300013023
54024121030411
6243401143243
733614601045
oct7367600713
92530071720
101004470731
11475aa7800
1224048ab23
131301440a4
1497592a95
155d2b5e56
hex3bdf01cb

1004470731 has 36 divisors (see below), whose sum is σ = 1614152904. Its totient is φ = 601381440.

The previous prime is 1004470703. The next prime is 1004470757. The reversal of 1004470731 is 1370744001.

It is not a de Polignac number, because 1004470731 - 29 = 1004470219 is a prime.

It is a super-2 number, since 2×10044707312 = 2017922898871348722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004470695 and 1004470704.

It is not an unprimeable number, because it can be changed into a prime (1004470031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84831 + ... + 95943.

Almost surely, 21004470731 is an apocalyptic number.

1004470731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1004470731 is a deficient number, since it is larger than the sum of its proper divisors (609682173).

1004470731 is a wasteful number, since it uses less digits than its factorization.

1004470731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11224 (or 11210 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1004470731 is about 31693.3862343550. The cubic root of 1004470731 is about 1001.4880283400.

The spelling of 1004470731 in words is "one billion, four million, four hundred seventy thousand, seven hundred thirty-one".

Divisors: 1 3 9 11 33 83 99 121 249 363 747 913 1089 2739 8217 10043 11113 30129 33339 90387 100017 122243 366729 922379 1100187 1344673 2767137 4034019 8301411 10146169 12102057 30438507 91315521 111607859 334823577 1004470731