Search a number
-
+
406238300 = 2252132111481
BaseRepresentation
bin11000001101101…
…011010001011100
31001022102001011222
4120031223101130
51312444111200
6104151032512
713031653136
oct3015532134
91038361158
10406238300
11199346936
12b406b738
1366216bc0
143bd4a056
15259e6d85
hex1836b45c

406238300 has 72 divisors (see below), whose sum is σ = 954490992. Its totient is φ = 149184000.

The previous prime is 406238299. The next prime is 406238309. The reversal of 406238300 is 3832604.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 406238300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406238309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273560 + ... + 275040.

Almost surely, 2406238300 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 406238300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477245496).

406238300 is an abundant number, since it is smaller than the sum of its proper divisors (548252692).

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

406238300 is a wasteful number, since it uses less digits than its factorization.

406238300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 406238300 is about 20155.3541273777. The cubic root of 406238300 is about 740.6169070430.

The spelling of 406238300 in words is "four hundred six million, two hundred thirty-eight thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 211 260 325 422 650 844 1055 1300 1481 2110 2743 2962 4220 5275 5486 5924 7405 10550 10972 13715 14810 19253 21100 27430 29620 37025 38506 54860 68575 74050 77012 96265 137150 148100 192530 274300 312491 385060 481325 624982 962650 1249964 1562455 1925300 3124910 4062383 6249820 7812275 8124766 15624550 16249532 20311915 31249100 40623830 81247660 101559575 203119150 406238300