Search a number
-
+
430030400 = 2652397677
BaseRepresentation
bin11001101000011…
…011111001000000
31002222011210210212
4121220123321000
51340041433100
6110401013252
713441124642
oct3150337100
91088153725
10430030400
11200817228
12100024228
136b127377
1441180892
1527b46635
hex19a1be40

430030400 has 84 divisors (see below), whose sum is σ = 1062375828. Its totient is φ = 171325440.

The previous prime is 430030373. The next prime is 430030429. The reversal of 430030400 is 4030034.

It can be written as a sum of positive squares in 6 ways, for example, as 37356544 + 392673856 = 6112^2 + 19816^2 .

It is a super-2 number, since 2×4300304002 = 369852289848320000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634862 + ... + 635538.

Almost surely, 2430030400 is an apocalyptic number.

430030400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531187914).

430030400 is an abundant number, since it is smaller than the sum of its proper divisors (632345428).

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

430030400 is a wasteful number, since it uses less digits than its factorization.

430030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 430030400 is about 20737.1743494624. The cubic root of 430030400 is about 754.8020181729.

Adding to 430030400 its reverse (4030034), we get a palindrome (434060434).

It can be divided in two parts, 4 and 30030400, that multiplied together give a square (120121600 = 109602).

The spelling of 430030400 in words is "four hundred thirty million, thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 397 400 677 794 800 1354 1588 1600 1985 2708 3176 3385 3970 5416 6352 6770 7940 9925 10832 12704 13540 15880 16925 19850 21664 25408 27080 31760 33850 39700 43328 54160 63520 67700 79400 108320 127040 135400 158800 216640 268769 270800 317600 537538 541600 635200 1075076 1083200 1343845 2150152 2687690 4300304 5375380 6719225 8600608 10750760 13438450 17201216 21501520 26876900 43003040 53753800 86006080 107507600 215015200 430030400