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258082416 = 24332832111
BaseRepresentation
bin11110110001000…
…00011001110000
3122222121221112000
433120200121300
51012032114131
641335334000
76252443604
oct1730403160
9588557460
10258082416
11122754159
1272521300
13416124b7
14263c1504
15179cdce6
hexf620670

258082416 has 80 divisors (see below), whose sum is σ = 743761920. Its totient is φ = 85682880.

The previous prime is 258082403. The next prime is 258082469. The reversal of 258082416 is 614280852.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121201 + ... + 123311.

It is an arithmetic number, because the mean of its divisors is an integer number (9297024).

Almost surely, 2258082416 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 258082416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371880960).

258082416 is an abundant number, since it is smaller than the sum of its proper divisors (485679504).

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

258082416 is a wasteful number, since it uses less digits than its factorization.

258082416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 258082416 is about 16064.9436973803. The cubic root of 258082416 is about 636.6774554181.

It can be divided in two parts, 25808 and 2416, that added together give a square (28224 = 1682).

The spelling of 258082416 in words is "two hundred fifty-eight million, eighty-two thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 283 432 566 849 1132 1698 2111 2264 2547 3396 4222 4528 5094 6333 6792 7641 8444 10188 12666 13584 15282 16888 18999 20376 25332 30564 33776 37998 40752 50664 56997 61128 75996 101328 113994 122256 151992 227988 303984 455976 597413 911952 1194826 1792239 2389652 3584478 4779304 5376717 7168956 9558608 10753434 14337912 16130151 21506868 28675824 32260302 43013736 64520604 86027472 129041208 258082416