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234424530 = 23105397
BaseRepresentation
bin11011111100100…
…00100011010010
3121100010000000000
431332100203102
5440003041110
635132310430
75544401304
oct1576204322
9540100000
10234424530
1111036568a
1266612416
133974b152
14231c3974
15158a91c0
hexdf908d2

234424530 has 88 divisors (see below), whose sum is σ = 634536972. Its totient is φ = 62355744.

The previous prime is 234424529. The next prime is 234424537. The reversal of 234424530 is 35424432.

234424530 is a `hidden beast` number, since 234 + 424 + 5 + 3 + 0 = 666.

234424530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 234365481 + 59049 = 15309^2 + 243^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 234424494 and 234424503.

It is not an unprimeable number, because it can be changed into a prime (234424537) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 590292 + ... + 590688.

Almost surely, 2234424530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234424530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317268486).

234424530 is an abundant number, since it is smaller than the sum of its proper divisors (400112442).

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

234424530 is an frugal number, since it uses more digits than its factorization.

234424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 234424530 is about 15310.9284499667. The cubic root of 234424530 is about 616.5964471623.

Adding to 234424530 its reverse (35424432), we get a palindrome (269848962).

It can be divided in two parts, 23442 and 4530, that added together give a palindrome (27972).

The spelling of 234424530 in words is "two hundred thirty-four million, four hundred twenty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 397 405 486 729 794 810 1191 1215 1458 1985 2187 2382 2430 3573 3645 3970 4374 5955 6561 7146 7290 10719 10935 11910 13122 17865 19683 21438 21870 32157 32805 35730 39366 53595 59049 64314 65610 96471 98415 107190 118098 160785 192942 196830 289413 295245 321570 482355 578826 590490 868239 964710 1447065 1736478 2604717 2894130 4341195 5209434 7814151 8682390 13023585 15628302 23442453 26047170 39070755 46884906 78141510 117212265 234424530