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49542020 = 22511435237
BaseRepresentation
bin1011110011111…
…1001110000100
310110012222212122
42330333032010
5100140321040
64525505112
71141046243
oct274771604
9113188778
1049542020
1125a68720
1214712198
13a357b08
14681895a
1545391b5
hex2f3f384

49542020 has 48 divisors (see below), whose sum is σ = 116157888. Its totient is φ = 17592960.

The previous prime is 49542013. The next prime is 49542037. The reversal of 49542020 is 2024594.

49542020 = 3692 + 3702 + ... + 5832.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6842 + ... + 12078.

It is an arithmetic number, because the mean of its divisors is an integer number (2419956).

Almost surely, 249542020 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 49542020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58078944).

49542020 is an abundant number, since it is smaller than the sum of its proper divisors (66615868).

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

49542020 is a wasteful number, since it uses less digits than its factorization.

49542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5298 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 49542020 is about 7038.6092376264. The cubic root of 49542020 is about 367.2748895183.

The spelling of 49542020 in words is "forty-nine million, five hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 43 44 55 86 110 172 215 220 430 473 860 946 1892 2365 4730 5237 9460 10474 20948 26185 52370 57607 104740 115214 225191 230428 288035 450382 576070 900764 1125955 1152140 2251910 2477101 4503820 4954202 9908404 12385505 24771010 49542020