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1332231420 = 2235139711759
BaseRepresentation
bin100111101101000…
…0011110011111100
310102211211100221110
41033122003303330
510212022401140
6340110202020
745004531422
oct11732036374
93384740843
101332231420
11624012203
123121b3310
13183011820
14c8d11112
157be5a380
hex4f683cfc

1332231420 has 96 divisors (see below), whose sum is σ = 4023613440. Its totient is φ = 327409920.

The previous prime is 1332231419. The next prime is 1332231421. The reversal of 1332231420 is 241322331.

It is an interprime number because it is at equal distance from previous prime (1332231419) and next prime (1332231421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332231421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 756501 + ... + 758259.

It is an arithmetic number, because the mean of its divisors is an integer number (41912640).

Almost surely, 21332231420 is an apocalyptic number.

1332231420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1332231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011806720).

1332231420 is an abundant number, since it is smaller than the sum of its proper divisors (2691382020).

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

1332231420 is a wasteful number, since it uses less digits than its factorization.

1332231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1332231420 is about 36499.7454785646. The cubic root of 1332231420 is about 1100.3391295955.

Adding to 1332231420 its reverse (241322331), we get a palindrome (1573553751).

The spelling of 1332231420 in words is "one billion, three hundred thirty-two million, two hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 971 1759 1942 2913 3518 3884 4855 5277 5826 7036 8795 9710 10554 11652 12623 14565 17590 19420 21108 22867 25246 26385 29130 35180 37869 45734 50492 52770 58260 63115 68601 75738 91468 105540 114335 126230 137202 151476 189345 228670 252460 274404 343005 378690 457340 686010 757380 1372020 1707989 3415978 5123967 6831956 8539945 10247934 17079890 20495868 22203857 25619835 34159780 44407714 51239670 66611571 88815428 102479340 111019285 133223142 222038570 266446284 333057855 444077140 666115710 1332231420