Search a number
-
+
73430154 = 23274313553
BaseRepresentation
bin1000110000001…
…11010010001010
312010011122020100
410120013102022
5122244231104
611141510230
71551101040
oct430072212
9163148210
1073430154
11384a4186
1220712376
131229cbc5
149a76390
1566a7139
hex460748a

73430154 has 48 divisors (see below), whose sum is σ = 186069312. Its totient is φ = 20490624.

The previous prime is 73430107. The next prime is 73430167. The reversal of 73430154 is 45103437.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1359 + ... + 12194.

It is an arithmetic number, because the mean of its divisors is an integer number (3876444).

Almost surely, 273430154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73430154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93034656).

73430154 is an abundant number, since it is smaller than the sum of its proper divisors (112639158).

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

73430154 is a wasteful number, since it uses less digits than its factorization.

73430154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611 (or 13608 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 73430154 is about 8569.1396300912. The cubic root of 73430154 is about 418.7532072525.

The spelling of 73430154 in words is "seventy-three million, four hundred thirty thousand, one hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 43 63 86 126 129 258 301 387 602 774 903 1806 2709 5418 13553 27106 40659 81318 94871 121977 189742 243954 284613 569226 582779 853839 1165558 1707678 1748337 3496674 4079453 5245011 8158906 10490022 12238359 24476718 36715077 73430154