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50404980 = 2235840083
BaseRepresentation
bin1100000001000…
…1111001110100
310111211211122010
43000101321310
5100400424410
65000204220
71151302203
oct300217164
9114754563
1050404980
11264a800a
1214a69670
13a59a842
1469a123a
154659c20
hex3011e74

50404980 has 24 divisors (see below), whose sum is σ = 141134112. Its totient is φ = 13441312.

The previous prime is 50404969. The next prime is 50404997. The reversal of 50404980 is 8940405.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419982 + ... + 420101.

It is an arithmetic number, because the mean of its divisors is an integer number (5880588).

Almost surely, 250404980 is an apocalyptic number.

It is an amenable number.

50404980 is an abundant number, since it is smaller than the sum of its proper divisors (90729132).

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

50404980 is a wasteful number, since it uses less digits than its factorization.

50404980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840095 (or 840093 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 50404980 is about 7099.6464700716. The cubic root of 50404980 is about 369.3951158733.

The spelling of 50404980 in words is "fifty million, four hundred four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 840083 1680166 2520249 3360332 4200415 5040498 8400830 10080996 12601245 16801660 25202490 50404980