Search a number
-
+
90485260432 = 247319867781
BaseRepresentation
bin101010001000101010…
…1111000000010010000
322122120001222111021221
41110101111320002100
52440303211313212
6105322433054424
76352211011000
oct1242125700220
9278501874257
1090485260432
1135413630476
12156533b7414
1386c0516428
144545538000
152548c82807
hex1511578090

90485260432 has 80 divisors (see below), whose sum is σ = 215209936000. Its totient is φ = 36738334080.

The previous prime is 90485260427. The next prime is 90485260447. The reversal of 90485260432 is 23406258409.

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 15 ways as a sum of consecutive naturals, for example, 329619 + ... + 538162.

It is an arithmetic number, because the mean of its divisors is an integer number (2690124200).

Almost surely, 290485260432 is an apocalyptic number.

It is an amenable number.

90485260432 is an abundant number, since it is smaller than the sum of its proper divisors (124724675568).

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

90485260432 is a wasteful number, since it uses less digits than its factorization.

90485260432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867829 (or 867809 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 90485260432 in words is "ninety billion, four hundred eighty-five million, two hundred sixty thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 133 152 196 266 304 343 392 532 686 784 931 1064 1372 1862 2128 2744 3724 5488 6517 7448 13034 14896 26068 52136 104272 867781 1735562 3471124 6074467 6942248 12148934 13884496 16487839 24297868 32975678 42521269 48595736 65951356 85042538 97191472 115414873 131902712 170085076 230829746 263805424 297648883 340170152 461659492 595297766 680340304 807904111 923318984 1190595532 1615808222 1846637968 2381191064 3231616444 4762382128 5655328777 6463232888 11310657554 12926465776 22621315108 45242630216 90485260432