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730020542 = 28931313103
BaseRepresentation
bin101011100000110…
…011101010111110
31212212122212220212
4223200303222332
52443341124132
6200234512422
724043033526
oct5340635276
91785585825
10730020542
11345094269
12184595712
13b8320824
146cd50686
15441525b2
hex2b833abe

730020542 has 16 divisors (see below), whose sum is σ = 1110957120. Its totient is φ = 359728512.

The previous prime is 730020541. The next prime is 730020547. The reversal of 730020542 is 245020037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730020541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49163 + ... + 62265.

It is an arithmetic number, because the mean of its divisors is an integer number (69434820).

Almost surely, 2730020542 is an apocalyptic number.

730020542 is a deficient number, since it is larger than the sum of its proper divisors (380936578).

730020542 is a wasteful number, since it uses less digits than its factorization.

730020542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 730020542 is about 27018.8923163034. The cubic root of 730020542 is about 900.4197803062.

Adding to 730020542 its reverse (245020037), we get a palindrome (975040579).

The spelling of 730020542 in words is "seven hundred thirty million, twenty thousand, five hundred forty-two".

Divisors: 1 2 89 178 313 626 13103 26206 27857 55714 1166167 2332334 4101239 8202478 365010271 730020542