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195730488 = 233210326393
BaseRepresentation
bin10111010101010…
…01110000111000
3111122022010202100
423222221300320
5400101333423
631231103400
74564452552
oct1352516070
9448263670
10195730488
11a0537238
1255671b60
1331720b75
141bdd04d2
15122b4343
hexbaa9c38

195730488 has 48 divisors (see below), whose sum is σ = 535270320. Its totient is φ = 64607616.

The previous prime is 195730477. The next prime is 195730489. The reversal of 195730488 is 884037591.

195730488 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195730489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5781 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (11151465).

Almost surely, 2195730488 is an apocalyptic number.

195730488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

195730488 is an abundant number, since it is smaller than the sum of its proper divisors (339539832).

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

195730488 is a wasteful number, since it uses less digits than its factorization.

195730488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508 (or 26501 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 195730488 is about 13990.3712602633. The cubic root of 195730488 is about 580.6122033599.

The spelling of 195730488 in words is "one hundred ninety-five million, seven hundred thirty thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 103 206 309 412 618 824 927 1236 1854 2472 3708 7416 26393 52786 79179 105572 158358 211144 237537 316716 475074 633432 950148 1900296 2718479 5436958 8155437 10873916 16310874 21747832 24466311 32621748 48932622 65243496 97865244 195730488