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142087330 = 257112371113
BaseRepresentation
bin10000111100000…
…01010010100010
3100220100210011201
420132001102202
5242333243310
622033231414
73343502530
oct1036012242
9326323151
10142087330
1173228350
123b70256a
132358b458
1414c29150
15c719e3a
hex87814a2

142087330 has 128 divisors (see below), whose sum is σ = 340402176. Its totient is φ = 41395200.

The previous prime is 142087313. The next prime is 142087373. The reversal of 142087330 is 33780241.

142087330 is a modest number, since divided by 87330 gives 1420 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1257354 + ... + 1257466.

It is an arithmetic number, because the mean of its divisors is an integer number (2659392).

Almost surely, 2142087330 is an apocalyptic number.

142087330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142087330 is an abundant number, since it is smaller than the sum of its proper divisors (198314846).

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

142087330 is a wasteful number, since it uses less digits than its factorization.

142087330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 142087330 is about 11920.0390100033. The cubic root of 142087330 is about 521.8172733309.

The spelling of 142087330 in words is "one hundred forty-two million, eighty-seven thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 23 35 46 55 70 71 77 110 113 115 142 154 161 226 230 253 322 355 385 497 506 565 710 770 781 791 805 994 1130 1243 1265 1562 1582 1610 1633 1771 2485 2486 2530 2599 3266 3542 3905 3955 4970 5198 5467 6215 7810 7910 8023 8165 8701 8855 10934 11431 12430 12995 16046 16330 17402 17710 17963 18193 22862 25990 27335 28589 35926 36386 40115 43505 54670 56161 57155 57178 80230 87010 88253 89815 90965 112322 114310 125741 142945 176506 179630 181930 184529 200123 251482 280805 285890 369058 400246 441265 561610 617771 628705 882530 922645 1000615 1235542 1257410 1291703 1845290 2001230 2029819 2583406 3088855 4059638 6177710 6458515 10149095 12917030 14208733 20298190 28417466 71043665 142087330