Search a number
-
+
434380 = 22537587
BaseRepresentation
bin1101010000011001100
3211001212011
41222003030
5102400010
613151004
73456262
oct1520314
9731764
10434380
112773a1
1218b464
1312293b
14b4432
1588a8a
hex6a0cc

434380 has 24 divisors (see below), whose sum is σ = 938448. Its totient is φ = 168768.

The previous prime is 434377. The next prime is 434383. The reversal of 434380 is 83434.

It is an interprime number because it is at equal distance from previous prime (434377) and next prime (434383).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (434383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (39102).

2434380 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 434380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469224).

434380 is an abundant number, since it is smaller than the sum of its proper divisors (504068).

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

434380 is a wasteful number, since it uses less digits than its factorization.

434380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 434380 is about 659.0751095285. The cubic root of 434380 is about 75.7338334650.

The spelling of 434380 in words is "four hundred thirty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 587 740 1174 2348 2935 5870 11740 21719 43438 86876 108595 217190 434380