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50631969 = 379213637
BaseRepresentation
bin1100000100100…
…1010100100001
310112021101000010
43001021110201
5100430210334
65005115133
71153236033
oct301112441
9115241003
1050631969
1126642603
1214b58aa9
13a649c5b
146a1dc53
1546a20e9
hex3049521

50631969 has 8 divisors (see below), whose sum is σ = 68364160. Its totient is φ = 33327216.

The previous prime is 50631953. The next prime is 50632003. The reversal of 50631969 is 96913605.

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

It is not a de Polignac number, because 50631969 - 24 = 50631953 is a prime.

It is a super-2 number, since 2×506319692 = 5127192569633922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50631569) 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, 106582 + ... + 107055.

It is an arithmetic number, because the mean of its divisors is an integer number (8545520).

Almost surely, 250631969 is an apocalyptic number.

It is an amenable number.

50631969 is a deficient number, since it is larger than the sum of its proper divisors (17732191).

50631969 is a wasteful number, since it uses less digits than its factorization.

50631969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213719.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 50631969 is about 7115.6144499263. The cubic root of 50631969 is about 369.9487852171.

The spelling of 50631969 in words is "fifty million, six hundred thirty-one thousand, nine hundred sixty-nine".

Divisors: 1 3 79 237 213637 640911 16877323 50631969