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531022342 = 21249212579
BaseRepresentation
bin11111101001101…
…100001000000110
31101000012201201011
4133221230020012
52041420203332
6124405352434
716105421044
oct3751541006
91330181634
10531022342
11252825a44
12129a0871a
1386027506
145074d394
1531944e47
hex1fa6c206

531022342 has 8 divisors (see below), whose sum is σ = 797175000. Its totient is φ = 265297344.

The previous prime is 531022339. The next prime is 531022357. The reversal of 531022342 is 243220135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103792 + ... + 108787.

It is an arithmetic number, because the mean of its divisors is an integer number (99646875).

Almost surely, 2531022342 is an apocalyptic number.

531022342 is a deficient number, since it is larger than the sum of its proper divisors (266152658).

531022342 is a wasteful number, since it uses less digits than its factorization.

531022342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213830.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 531022342 is about 23043.9220186148. The cubic root of 531022342 is about 809.7872438222.

Adding to 531022342 its reverse (243220135), we get a palindrome (774242477).

The spelling of 531022342 in words is "five hundred thirty-one million, twenty-two thousand, three hundred forty-two".

Divisors: 1 2 1249 2498 212579 425158 265511171 531022342