Search a number
-
+
368653428 = 22321113193769
BaseRepresentation
bin10101111110010…
…011010001110100
3221200200112102200
4111332103101310
51223333402203
6100325304500
712064334223
oct2576232164
9850615380
10368653428
1117a105860
12a3565130
135b4b7730
1436d64cba
15225709a3
hex15f93474

368653428 has 144 divisors (see below), whose sum is σ = 1152715200. Its totient is φ = 97666560.

The previous prime is 368653403. The next prime is 368653429. The reversal of 368653428 is 824356863.

It is a happy number.

368653428 is a `hidden beast` number, since 36 + 86 + 534 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368653429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95928 + ... + 99696.

Almost surely, 2368653428 is an apocalyptic number.

368653428 is a gapful number since it is divisible by the number (38) 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 368653428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576357600).

368653428 is an abundant number, since it is smaller than the sum of its proper divisors (784061772).

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

368653428 is a wasteful number, since it uses less digits than its factorization.

368653428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 3817 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 368653428 is about 19200.3496843156. The cubic root of 368653428 is about 717.0334654058.

It can be divided in two parts, 368 and 653428, that added together give a triangular number (653796 = T1143).

The spelling of 368653428 in words is "three hundred sixty-eight million, six hundred fifty-three thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 13 18 19 22 26 33 36 38 39 44 52 57 66 76 78 99 114 117 132 143 156 171 198 209 228 234 247 286 342 396 418 429 468 494 572 627 684 741 836 858 988 1254 1287 1482 1716 1881 2223 2508 2574 2717 2964 3762 3769 4446 5148 5434 7524 7538 8151 8892 10868 11307 15076 16302 22614 24453 32604 33921 41459 45228 48906 48997 67842 71611 82918 97812 97994 124377 135684 143222 146991 165836 195988 214833 248754 286444 293982 373131 429666 440973 497508 538967 587964 644499 746262 787721 859332 881946 930943 1077934 1288998 1492524 1575442 1616901 1763892 1861886 2155868 2363163 2577996 2792829 3150884 3233802 3723772 4726326 4850703 5585658 6467604 7089489 8378487 9452652 9701406 10240373 11171316 14178978 16756974 19402812 20480746 28357956 30721119 33513948 40961492 61442238 92163357 122884476 184326714 368653428