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51120470 = 255112047
BaseRepresentation
bin1100001100000…
…0100101010110
310120012012002202
43003000211112
5101041323340
65023404502
71160342162
oct303004526
9116165082
1051120470
1126946625
1215153732
13a78b3cb
146b09ca2
15474bc15
hex30c0956

51120470 has 8 divisors (see below), whose sum is σ = 92016864. Its totient is φ = 20448184.

The previous prime is 51120463. The next prime is 51120527. The reversal of 51120470 is 7402115.

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

It is a super-2 number, since 2×511204702 = 5226604906041800, which contains 22 as substring.

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, 2556014 + ... + 2556033.

It is an arithmetic number, because the mean of its divisors is an integer number (11502108).

Almost surely, 251120470 is an apocalyptic number.

51120470 is a deficient number, since it is larger than the sum of its proper divisors (40896394).

51120470 is a wasteful number, since it uses less digits than its factorization.

51120470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112054.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51120470 is about 7149.8580405488. The cubic root of 51120470 is about 371.1347437417.

Adding to 51120470 its reverse (7402115), we get a palindrome (58522585).

The spelling of 51120470 in words is "fifty-one million, one hundred twenty thousand, four hundred seventy".

Divisors: 1 2 5 10 5112047 10224094 25560235 51120470