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1333042220 = 225531257587
BaseRepresentation
bin100111101110100…
…1001110000101100
310102220100120011002
41033131021300230
510212224322340
6340135415432
745014446316
oct11735116054
93386316132
101333042220
11624516394
12312524578
131832368a3
14c90827b6
157c06a715
hex4f749c2c

1333042220 has 24 divisors (see below), whose sum is σ = 2852209584. Its totient is φ = 523155776.

The previous prime is 1333042181. The next prime is 1333042237. The reversal of 1333042220 is 222403331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1333042192 and 1333042201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627734 + ... + 629853.

It is an arithmetic number, because the mean of its divisors is an integer number (118842066).

Almost surely, 21333042220 is an apocalyptic number.

1333042220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333042220 is an abundant number, since it is smaller than the sum of its proper divisors (1519167364).

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

1333042220 is a wasteful number, since it uses less digits than its factorization.

1333042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257649 (or 1257647 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1333042220 is about 36510.8507159173. The cubic root of 1333042220 is about 1100.5623075471.

Adding to 1333042220 its reverse (222403331), we get a palindrome (1555445551).

The spelling of 1333042220 in words is "one billion, three hundred thirty-three million, forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1257587 2515174 5030348 6287935 12575870 25151740 66652111 133304222 266608444 333260555 666521110 1333042220