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53825904 = 24331147241
BaseRepresentation
bin1100110101010…
…1000101110000
310202021122021000
43031111011300
5102234412104
65201402000
71222340556
oct315250560
9122248230
1053825904
1128424220
1216039300
13b1c7962
147211bd6
154ad3639
hex3355170

53825904 has 160 divisors (see below), whose sum is σ = 172846080. Its totient is φ = 15897600.

The previous prime is 53825903. The next prime is 53825923. The reversal of 53825904 is 40952835.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53825903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223224 + ... + 223464.

It is an arithmetic number, because the mean of its divisors is an integer number (1080288).

Almost surely, 253825904 is an apocalyptic number.

53825904 is a gapful number since it is divisible by the number (54) 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 53825904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86423040).

53825904 is an abundant number, since it is smaller than the sum of its proper divisors (119020176).

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

53825904 is a wasteful number, since it uses less digits than its factorization.

53825904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 53825904 is about 7336.6139328712. The cubic root of 53825904 is about 377.5696791104.

The spelling of 53825904 in words is "fifty-three million, eight hundred twenty-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 47 48 54 66 72 88 94 99 108 132 141 144 176 188 198 216 241 264 282 297 376 396 423 432 482 517 528 564 594 723 752 792 846 964 1034 1128 1188 1269 1446 1551 1584 1692 1928 2068 2169 2256 2376 2538 2651 2892 3102 3384 3856 4136 4338 4653 4752 5076 5302 5784 6204 6507 6768 7953 8272 8676 9306 10152 10604 11327 11568 12408 13014 13959 15906 17352 18612 20304 21208 22654 23859 24816 26028 27918 31812 33981 34704 37224 42416 45308 47718 52056 55836 63624 67962 71577 74448 90616 95436 101943 104112 111672 124597 127248 135924 143154 181232 190872 203886 223344 249194 271848 286308 305829 373791 381744 407772 498388 543696 572616 611658 747582 815544 996776 1121373 1145232 1223316 1495164 1631088 1993552 2242746 2446632 2990328 3364119 4485492 4893264 5980656 6728238 8970984 13456476 17941968 26912952 53825904