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342431420 = 22529590399
BaseRepresentation
bin10100011010010…
…001011010111100
3212212100022121012
4110122101122330
51200130301140
653551254352
711325422222
oct2432213274
9785308535
10342431420
11166325881
129681a3b8
1355c36256
143369ab12
15200e1265
hex146916bc

342431420 has 24 divisors (see below), whose sum is σ = 743904000. Its totient is φ = 132249152.

The previous prime is 342431413. The next prime is 342431423. The reversal of 342431420 is 24134243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342431423) 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, 294620 + ... + 295779.

It is an arithmetic number, because the mean of its divisors is an integer number (30996000).

Almost surely, 2342431420 is an apocalyptic number.

It is an amenable number.

342431420 is an abundant number, since it is smaller than the sum of its proper divisors (401472580).

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

342431420 is a wasteful number, since it uses less digits than its factorization.

342431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590437 (or 590435 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 342431420 is about 18504.9025936372. The cubic root of 342431420 is about 699.6129969647.

Adding to 342431420 its reverse (24134243), we get a palindrome (366565663).

The spelling of 342431420 in words is "three hundred forty-two million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 590399 1180798 2361596 2951995 5903990 11807980 17121571 34243142 68486284 85607855 171215710 342431420