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730689536 = 2121941229
BaseRepresentation
bin101011100011010…
…111000000000000
31212220220212121102
4223203113000000
52444024031121
6200301113532
724051521123
oct5343270000
91786825542
10730689536
11345500955
121848588a8
13b84c6195
146d0863ba
154423590b
hex2b8d7000

730689536 has 104 divisors (see below), whose sum is σ = 1582501200. Its totient is φ = 336199680.

The previous prime is 730689523. The next prime is 730689541. The reversal of 730689536 is 635986037.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190670 + ... + 3190898.

Almost surely, 2730689536 is an apocalyptic number.

730689536 is a gapful number since it is divisible by the number (76) 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 730689536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791250600).

730689536 is an abundant number, since it is smaller than the sum of its proper divisors (851811664).

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

730689536 is a wasteful number, since it uses less digits than its factorization.

730689536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 730689536 is about 27031.2695965247. The cubic root of 730689536 is about 900.6947458645.

The spelling of 730689536 in words is "seven hundred thirty million, six hundred eighty-nine thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 19 32 38 41 64 76 82 128 152 164 229 256 304 328 458 512 608 656 779 916 1024 1216 1312 1558 1832 2048 2432 2624 3116 3664 4096 4351 4864 5248 6232 7328 8702 9389 9728 10496 12464 14656 17404 18778 19456 20992 24928 29312 34808 37556 38912 41984 49856 58624 69616 75112 77824 83968 99712 117248 139232 150224 167936 178391 199424 234496 278464 300448 356782 398848 468992 556928 600896 713564 797696 937984 1113856 1201792 1427128 1595392 2227712 2403584 2854256 3190784 4455424 4807168 5708512 8910848 9614336 11417024 17821696 19228672 22834048 38457344 45668096 91336192 182672384 365344768 730689536