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252460404 = 2232717311901
BaseRepresentation
bin11110000110000…
…11110101110100
3122121001022120100
433003003311310
51004112213104
641015034100
76153610110
oct1703036564
9577038510
10252460404
1111a564269
127066b930
13403c4571
142575a740
151726d139
hexf0c3d74

252460404 has 144 divisors (see below), whose sum is σ = 797561856. Its totient is φ = 65664000.

The previous prime is 252460381. The next prime is 252460409. The reversal of 252460404 is 404064252.

252460404 is a `hidden beast` number, since 2 + 52 + 4 + 604 + 0 + 4 = 666.

252460404 is digitally balanced in base 3, because in such base 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 (252460409) 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, 131854 + ... + 133754.

It is an arithmetic number, because the mean of its divisors is an integer number (5538624).

Almost surely, 2252460404 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 252460404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398780928).

252460404 is an abundant number, since it is smaller than the sum of its proper divisors (545101452).

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

252460404 is a wasteful number, since it uses less digits than its factorization.

252460404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 252460404 is about 15889.0026118696. The cubic root of 252460404 is about 632.0203920408.

The spelling of 252460404 in words is "two hundred fifty-two million, four hundred sixty thousand, four hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 31 34 36 42 51 62 63 68 84 93 102 119 124 126 153 186 204 217 238 252 279 306 357 372 434 476 527 558 612 651 714 868 1054 1071 1116 1302 1428 1581 1901 1953 2108 2142 2604 3162 3689 3802 3906 4284 4743 5703 6324 7378 7604 7812 9486 11067 11406 13307 14756 17109 18972 22134 22812 26614 32317 33201 34218 39921 44268 53228 58931 64634 66402 68436 79842 96951 117862 119763 129268 132804 159684 176793 193902 226219 235724 239526 290853 353586 387804 412517 452438 479052 530379 581706 678657 707172 825034 904876 1001827 1060758 1163412 1237551 1357314 1650068 2003654 2035971 2121516 2475102 2714628 3005481 3712653 4007308 4071942 4950204 6010962 7012789 7425306 8143884 9016443 12021924 14025578 14850612 18032886 21038367 28051156 36065772 42076734 63115101 84153468 126230202 252460404