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73098690 = 2357249727
BaseRepresentation
bin1000101101101…
…10010111000010
312002112210112220
410112312113002
5122203124230
611130431510
71545220500
oct426662702
9162483486
1073098690
1138298145
1220592596
13121b5082
1499cb670
15663dd10
hex45b65c2

73098690 has 48 divisors (see below), whose sum is σ = 204083712. Its totient is φ = 16707936.

The previous prime is 73098671. The next prime is 73098703. The reversal of 73098690 is 9689037.

It is a happy number.

It is a super-2 number, since 2×730986902 = 10686836959432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23394 + ... + 26333.

It is an arithmetic number, because the mean of its divisors is an integer number (4251744).

Almost surely, 273098690 is an apocalyptic number.

73098690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73098690 is an abundant number, since it is smaller than the sum of its proper divisors (130985022).

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

73098690 is a wasteful number, since it uses less digits than its factorization.

73098690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49751 (or 49744 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 73098690 is about 8549.7771900793. Note that the first 3 decimals coincide. The cubic root of 73098690 is about 418.1221722658.

The spelling of 73098690 in words is "seventy-three million, ninety-eight thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 49727 99454 149181 248635 298362 348089 497270 696178 745905 1044267 1491810 1740445 2088534 2436623 3480890 4873246 5221335 7309869 10442670 12183115 14619738 24366230 36549345 73098690