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11990304 = 2532173179
BaseRepresentation
bin101101101111…
…010100100000
3211120011121100
4231233110200
511032142204
61104554400
7203626104
oct55572440
924504540
1011990304
11684a547
124022a00
13263a771
141841904
1510bca39
hexb6f520

11990304 has 144 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 3594240.

The previous prime is 11990281. The next prime is 11990339. The reversal of 11990304 is 40309911.

11990304 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151737 + ... + 151815.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

Almost surely, 211990304 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 11990304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

11990304 is an abundant number, since it is smaller than the sum of its proper divisors (25749216).

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

11990304 is a wasteful number, since it uses less digits than its factorization.

11990304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11990304 is about 3462.7018352726. The cubic root of 11990304 is about 228.8811699551.

The spelling of 11990304 in words is "eleven million, nine hundred ninety thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 31 32 34 36 48 51 62 68 72 79 93 96 102 124 136 144 153 158 186 204 237 248 272 279 288 306 316 372 408 474 496 527 544 558 612 632 711 744 816 948 992 1054 1116 1224 1264 1343 1422 1488 1581 1632 1896 2108 2232 2448 2449 2528 2686 2844 2976 3162 3792 4029 4216 4464 4743 4896 4898 5372 5688 6324 7347 7584 8058 8432 8928 9486 9796 10744 11376 12087 12648 14694 16116 16864 18972 19592 21488 22041 22752 24174 25296 29388 32232 37944 39184 41633 42976 44082 48348 50592 58776 64464 75888 78368 83266 88164 96696 117552 124899 128928 151776 166532 176328 193392 235104 249798 333064 352656 374697 386784 499596 666128 705312 749394 999192 1332256 1498788 1998384 2997576 3996768 5995152 11990304