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1485237620 = 22574261881
BaseRepresentation
bin101100010000110…
…1110110101110100
310211111201212222202
41120201232311310
511020210100440
6403213444032
751543211556
oct13041566564
93744655882
101485237620
116a2418009
123554a0618
131a8923b39
1410137d4d6
158a5d0615
hex5886ed74

1485237620 has 12 divisors (see below), whose sum is σ = 3118999044. Its totient is φ = 594095040.

The previous prime is 1485237613. The next prime is 1485237641. The reversal of 1485237620 is 267325841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 856030564 + 629207056 = 29258^2 + 25084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37130921 + ... + 37130960.

It is an arithmetic number, because the mean of its divisors is an integer number (259916587).

Almost surely, 21485237620 is an apocalyptic number.

1485237620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485237620 is an abundant number, since it is smaller than the sum of its proper divisors (1633761424).

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

1485237620 is a wasteful number, since it uses less digits than its factorization.

1485237620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74261890 (or 74261888 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1485237620 is about 38538.7807279888. The cubic root of 1485237620 is about 1140.9465873442.

The spelling of 1485237620 in words is "one billion, four hundred eighty-five million, two hundred thirty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 74261881 148523762 297047524 371309405 742618810 1485237620