Search a number
-
+
193738496 = 287731481
BaseRepresentation
bin10111000110000…
…11011100000000
3111111112221020212
423203003130000
5344044112441
631120253252
74541515160
oct1343033400
9444487225
10193738496
119a3a6666
1254a71228
13311a4283
141ba325a0
151201deeb
hexb8c3700

193738496 has 72 divisors (see below), whose sum is σ = 448322784. Its totient is φ = 81838080.

The previous prime is 193738469. The next prime is 193738513. The reversal of 193738496 is 694837391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130076 + ... + 131556.

Almost surely, 2193738496 is an apocalyptic number.

193738496 is a gapful number since it is divisible by the number (16) 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 193738496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224161392).

193738496 is an abundant number, since it is smaller than the sum of its proper divisors (254584288).

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

193738496 is an equidigital number, since it uses as much as digits as its factorization.

193738496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1563 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 193738496 is about 13918.9976650619. The cubic root of 193738496 is about 578.6358109177.

The spelling of 193738496 in words is "one hundred ninety-three million, seven hundred thirty-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 73 112 128 146 224 256 292 448 511 584 896 1022 1168 1481 1792 2044 2336 2962 4088 4672 5924 8176 9344 10367 11848 16352 18688 20734 23696 32704 41468 47392 65408 82936 94784 108113 130816 165872 189568 216226 331744 379136 432452 663488 756791 864904 1326976 1513582 1729808 2653952 3027164 3459616 6054328 6919232 12108656 13838464 24217312 27676928 48434624 96869248 193738496