Search a number
-
+
73406080 = 2751110427
BaseRepresentation
bin1000110000000…
…01011010000000
312010010102012201
410120001122000
5122242443310
611141202544
71550640616
oct430013200
9163112181
1073406080
1138488090
1220700454
1312291c67
149a6b6b6
15669ee3a
hex4601680

73406080 has 64 divisors (see below), whose sum is σ = 191458080. Its totient is φ = 26690560.

The previous prime is 73406029. The next prime is 73406147. The reversal of 73406080 is 8060437.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827 + ... + 12253.

Almost surely, 273406080 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 73406080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95729040).

73406080 is an abundant number, since it is smaller than the sum of its proper divisors (118052000).

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

73406080 is a wasteful number, since it uses less digits than its factorization.

73406080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457 (or 10445 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 73406080 is about 8567.7348231607. The cubic root of 73406080 is about 418.7074396486.

The spelling of 73406080 in words is "seventy-three million, four hundred six thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1760 3520 7040 10427 20854 41708 52135 83416 104270 114697 166832 208540 229394 333664 417080 458788 573485 667328 834160 917576 1146970 1334656 1668320 1835152 2293940 3336640 3670304 4587880 6673280 7340608 9175760 14681216 18351520 36703040 73406080