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520214442 = 23117882037
BaseRepresentation
bin11111000000011…
…101011110101010
31100020212122001120
4133000131132222
52031133330232
6123342000110
715614515116
oct3700353652
91306778046
10520214442
112477138a0
12126276036
1383a11cc7
144d138746
1530a0c92c
hex1f01d7aa

520214442 has 16 divisors (see below), whose sum is σ = 1135013472. Its totient is φ = 157640720.

The previous prime is 520214423. The next prime is 520214489. The reversal of 520214442 is 244412025.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3940953 + ... + 3941084.

It is an arithmetic number, because the mean of its divisors is an integer number (70938342).

Almost surely, 2520214442 is an apocalyptic number.

520214442 is an abundant number, since it is smaller than the sum of its proper divisors (614799030).

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

520214442 is a wasteful number, since it uses less digits than its factorization.

520214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882053.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 520214442 is about 22808.2099692194. The cubic root of 520214442 is about 804.2556765868.

Adding to 520214442 its reverse (244412025), we get a palindrome (764626467).

The spelling of 520214442 in words is "five hundred twenty million, two hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 7882037 15764074 23646111 47292222 86702407 173404814 260107221 520214442