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1230882400 = 255211612293
BaseRepresentation
bin100100101011101…
…1100011001100000
310011210010022020001
41021113130121200
510010101214100
6322050025344
742334220266
oct11127343140
93153108201
101230882400
1158188a190
122a4278254
13168017ca7
14b968c436
15730dad6a
hex495dc660

1230882400 has 144 divisors (see below), whose sum is σ = 3333255408. Its totient is φ = 440064000.

The previous prime is 1230882383. The next prime is 1230882413. The reversal of 1230882400 is 42880321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535654 + ... + 537946.

It is an arithmetic number, because the mean of its divisors is an integer number (23147607).

Almost surely, 21230882400 is an apocalyptic number.

1230882400 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 1230882400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666627704).

1230882400 is an abundant number, since it is smaller than the sum of its proper divisors (2102373008).

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

1230882400 is a wasteful number, since it uses less digits than its factorization.

1230882400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1230882400 is about 35083.9336449036. The cubic root of 1230882400 is about 1071.6974251869.

The spelling of 1230882400 in words is "one billion, two hundred thirty million, eight hundred eighty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 61 80 88 100 110 122 160 176 200 220 244 275 305 352 400 440 488 550 610 671 800 880 976 1100 1220 1342 1525 1760 1952 2200 2293 2440 2684 3050 3355 4400 4586 4880 5368 6100 6710 8800 9172 9760 10736 11465 12200 13420 16775 18344 21472 22930 24400 25223 26840 33550 36688 45860 48800 50446 53680 57325 67100 73376 91720 100892 107360 114650 126115 134200 139873 183440 201784 229300 252230 268400 279746 366880 403568 458600 504460 536800 559492 630575 699365 807136 917200 1008920 1118984 1261150 1398730 1538603 1834400 2017840 2237968 2522300 2797460 3077206 3496825 4035680 4475936 5044600 5594920 6154412 6993650 7693015 10089200 11189840 12308824 13987300 15386030 20178400 22379680 24617648 27974600 30772060 38465075 49235296 55949200 61544120 76930150 111898400 123088240 153860300 246176480 307720600 615441200 1230882400