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1333508020 = 225132394529
BaseRepresentation
bin100111101111011…
…1011011110110100
310102221020020002221
41033132323132310
510212334224040
6340153412124
745021426325
oct11736733664
93387206087
101333508020
11624804349
1231270a044
1318336a900
14c916444c
157c10d74a
hex4f7bb7b4

1333508020 has 36 divisors (see below), whose sum is σ = 3032357580. Its totient is φ = 492370944.

The previous prime is 1333508003. The next prime is 1333508021. The reversal of 1333508020 is 208053331.

It can be written as a sum of positive squares in 6 ways, for example, as 50865424 + 1282642596 = 7132^2 + 35814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333508021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193885 + ... + 200644.

It is an arithmetic number, because the mean of its divisors is an integer number (84232155).

Almost surely, 21333508020 is an apocalyptic number.

1333508020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333508020 is an abundant number, since it is smaller than the sum of its proper divisors (1698849560).

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

1333508020 is a wasteful number, since it uses less digits than its factorization.

1333508020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394564 (or 394549 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1333508020 is about 36517.2290843651. The cubic root of 1333508020 is about 1100.6904810879.

The spelling of 1333508020 in words is "one billion, three hundred thirty-three million, five hundred eight thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 394529 789058 1578116 1972645 3945290 5128877 7890580 10257754 20515508 25644385 51288770 66675401 102577540 133350802 266701604 333377005 666754010 1333508020