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213202704 = 243111389349
BaseRepresentation
bin11001011010100…
…11011100010000
3112212011211010110
430231103130100
5414034441304
633053401320
75166123141
oct1455233420
9485154113
10213202704
11aa390390
125b499240
133522a860
142045bac8
1513ab6289
hexcb53710

213202704 has 160 divisors (see below), whose sum is σ = 656208000. Its totient is φ = 58798080.

The previous prime is 213202679. The next prime is 213202723. The reversal of 213202704 is 407202312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610722 + ... + 611070.

It is an arithmetic number, because the mean of its divisors is an integer number (4101300).

Almost surely, 2213202704 is an apocalyptic number.

213202704 is a gapful number since it is divisible by the number (24) 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 213202704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328104000).

213202704 is an abundant number, since it is smaller than the sum of its proper divisors (443005296).

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

213202704 is a wasteful number, since it uses less digits than its factorization.

213202704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 213202704 is about 14601.4623925140. The cubic root of 213202704 is about 597.3986490325.

The spelling of 213202704 in words is "two hundred thirteen million, two hundred two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 89 104 132 143 156 176 178 208 264 267 286 312 349 356 429 528 534 572 624 698 712 858 979 1047 1068 1144 1157 1396 1424 1716 1958 2094 2136 2288 2314 2792 2937 3432 3471 3839 3916 4188 4272 4537 4628 5584 5874 6864 6942 7678 7832 8376 9074 9256 11517 11748 12727 13611 13884 15356 15664 16752 18148 18512 23034 23496 25454 27222 27768 30712 31061 36296 38181 46068 46992 49907 50908 54444 55536 61424 62122 72592 76362 92136 93183 99814 101816 108888 124244 149721 152724 184272 186366 199628 203632 217776 248488 299442 305448 341671 372732 399256 403793 496976 598884 610896 683342 745464 798512 807586 1025013 1197768 1211379 1366684 1490928 1615172 2050026 2395536 2422758 2733368 3230344 4100052 4441723 4845516 5466736 6460688 8200104 8883446 9691032 13325169 16400208 17766892 19382064 26650338 35533784 53300676 71067568 106601352 213202704