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464540430 = 23523673247
BaseRepresentation
bin11011101100000…
…101001100001110
31012101010002200010
4123230011030032
51422410243210
6114032414050
714340346164
oct3354051416
91171102603
10464540430
11219248112
1210b6a7326
137531b0c3
14459a5234
152abb1920
hex1bb0530e

464540430 has 32 divisors (see below), whose sum is σ = 1163372544. Its totient is φ = 118491296.

The previous prime is 464540387. The next prime is 464540431. The reversal of 464540430 is 34045464.

It is a super-2 number, since 2×4645404302 = 431595622209169800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464540431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335934 + ... + 337313.

It is an arithmetic number, because the mean of its divisors is an integer number (36355392).

Almost surely, 2464540430 is an apocalyptic number.

464540430 is an abundant number, since it is smaller than the sum of its proper divisors (698832114).

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

464540430 is a wasteful number, since it uses less digits than its factorization.

464540430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673280.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 464540430 is about 21553.1999944324. The cubic root of 464540430 is about 774.4757772943.

Adding to 464540430 its reverse (34045464), we get a palindrome (498585894).

The spelling of 464540430 in words is "four hundred sixty-four million, five hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 673247 1346494 2019741 3366235 4039482 6732470 10098705 15484681 20197410 30969362 46454043 77423405 92908086 154846810 232270215 464540430