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1203340980 = 2235411633001
BaseRepresentation
bin100011110111001…
…1000011010110100
310002212022001111110
41013232120122310
54431023402410
6315223435020
741551141512
oct10756303264
93085261443
101203340980
11568288986
12296bb5a70
131623c40aa
14b5b5d4b2
157099a720
hex47b986b4

1203340980 has 96 divisors (see below), whose sum is σ = 3473866368. Its totient is φ = 311040000.

The previous prime is 1203340949. The next prime is 1203340987. The reversal of 1203340980 is 890433021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203340987) 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, 399480 + ... + 402480.

It is an arithmetic number, because the mean of its divisors is an integer number (36186108).

Almost surely, 21203340980 is an apocalyptic number.

1203340980 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 1203340980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736933184).

1203340980 is an abundant number, since it is smaller than the sum of its proper divisors (2270525388).

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

1203340980 is a wasteful number, since it uses less digits than its factorization.

1203340980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1203340980 is about 34689.2055256387. The cubic root of 1203340980 is about 1063.6438556376.

The spelling of 1203340980 in words is "one billion, two hundred three million, three hundred forty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 163 164 205 246 326 410 489 492 615 652 815 820 978 1230 1630 1956 2445 2460 3001 3260 4890 6002 6683 9003 9780 12004 13366 15005 18006 20049 26732 30010 33415 36012 40098 45015 60020 66830 80196 90030 100245 123041 133660 180060 200490 246082 369123 400980 489163 492164 615205 738246 978326 1230410 1467489 1476492 1845615 1956652 2445815 2460820 2934978 3691230 4891630 5869956 7337445 7382460 9783260 14674890 20055683 29349780 40111366 60167049 80222732 100278415 120334098 200556830 240668196 300835245 401113660 601670490 1203340980