Search a number
-
+
8380422 = 234172179
BaseRepresentation
bin11111111110000000000110
3120202202210000
4133332000012
54121133142
6455342130
7131142501
oct37760006
916682700
108380422
114804376
122981946
13197563b
141182138
15b0814c
hex7fe006

8380422 has 60 divisors (see below), whose sum is σ = 20059380. Its totient is φ = 2614464.

The previous prime is 8380417. The next prime is 8380451. The reversal of 8380422 is 2240838.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 46729 + ... + 46907.

It is an arithmetic number, because the mean of its divisors is an integer number (334323).

Almost surely, 28380422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8380422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10029690).

8380422 is an abundant number, since it is smaller than the sum of its proper divisors (11678958).

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

8380422 is a wasteful number, since it uses less digits than its factorization.

8380422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8380422 is about 2894.8958530489. The cubic root of 8380422 is about 203.1212198744.

The spelling of 8380422 in words is "eight million, three hundred eighty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 179 289 306 358 459 537 578 867 918 1074 1377 1611 1734 2601 2754 3043 3222 4833 5202 6086 7803 9129 9666 14499 15606 18258 23409 27387 28998 46818 51731 54774 82161 103462 155193 164322 246483 310386 465579 492966 931158 1396737 2793474 4190211 8380422