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193490088 = 2331129127199
BaseRepresentation
bin10111000100001…
…10110010101000
3111111002022111120
423202012302220
5344013140323
631111055240
74536432021
oct1342066250
9444068446
10193490088
119a246a70
1254971520
133111819c
141b9a9c48
1511ec05e3
hexb886ca8

193490088 has 128 divisors (see below), whose sum is σ = 552960000. Its totient is φ = 55883520.

The previous prime is 193490047. The next prime is 193490113. The reversal of 193490088 is 880094391.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972213 + ... + 972411.

It is an arithmetic number, because the mean of its divisors is an integer number (4320000).

Almost surely, 2193490088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193490088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276480000).

193490088 is an abundant number, since it is smaller than the sum of its proper divisors (359469912).

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

193490088 is a wasteful number, since it uses less digits than its factorization.

193490088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 193490088 is about 13910.0714591982. The cubic root of 193490088 is about 578.3883996839.

The spelling of 193490088 in words is "one hundred ninety-three million, four hundred ninety thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 29 33 44 58 66 87 88 116 127 132 174 199 232 254 264 319 348 381 398 508 597 638 696 762 796 957 1016 1194 1276 1397 1524 1592 1914 2189 2388 2552 2794 3048 3683 3828 4191 4378 4776 5588 5771 6567 7366 7656 8382 8756 11049 11176 11542 13134 14732 16764 17313 17512 22098 23084 25273 26268 29464 33528 34626 40513 44196 46168 50546 52536 63481 69252 75819 81026 88392 101092 121539 126962 138504 151638 162052 190443 202184 243078 253924 278003 303276 324104 380886 486156 507848 556006 606552 732917 761772 834009 972312 1112012 1465834 1523544 1668018 2198751 2224024 2931668 3336036 4397502 5863336 6672072 8062087 8795004 16124174 17590008 24186261 32248348 48372522 64496696 96745044 193490088