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50723820 = 223657271
BaseRepresentation
bin1100000101111…
…1101111101100
310112110001000000
43001133233230
5100441130240
65011104300
71154100600
oct301375754
9115401000
1050723820
11266a5614
1214ba2090
13a67c9c4
146a45500
1546be430
hex305fbec

50723820 has 252 divisors, whose sum is σ = 188398224. Its totient is φ = 11430720.

The previous prime is 50723819. The next prime is 50723821. The reversal of 50723820 is 2832705.

It is an interprime number because it is at equal distance from previous prime (50723819) and next prime (50723821).

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50723821) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 714385 + ... + 714455.

It is an arithmetic number, because the mean of its divisors is an integer number (747612).

Almost surely, 250723820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50723820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94199112).

50723820 is an abundant number, since it is smaller than the sum of its proper divisors (137674404).

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

50723820 is a wasteful number, since it uses less digits than its factorization.

50723820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 50723820 is about 7122.0657115755. The cubic root of 50723820 is about 370.1723570007.

The spelling of 50723820 in words is "fifty million, seven hundred twenty-three thousand, eight hundred twenty".