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1465231020 = 22351117433037
BaseRepresentation
bin101011101010101…
…1010011010101100
310210010002110002120
41113111122122230
511000044343040
6401220552540
751211154361
oct12725323254
93703073076
101465231020
116920a2830
1234a852750
131a473a706
14dc852468
158897c7d0
hex5755a6ac

1465231020 has 192 divisors, whose sum is σ = 4850689536. Its totient is φ = 326430720.

The previous prime is 1465231013. The next prime is 1465231039. The reversal of 1465231020 is 201325641.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 480942 + ... + 483978.

It is an arithmetic number, because the mean of its divisors is an integer number (25264008).

Almost surely, 21465231020 is an apocalyptic number.

1465231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1465231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2425344768).

1465231020 is an abundant number, since it is smaller than the sum of its proper divisors (3385458516).

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

1465231020 is a wasteful number, since it uses less digits than its factorization.

1465231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1465231020 is about 38278.3361707376. The cubic root of 1465231020 is about 1135.8004457963.

Adding to 1465231020 its reverse (201325641), we get a palindrome (1666556661).

The spelling of 1465231020 in words is "one billion, four hundred sixty-five million, two hundred thirty-one thousand, twenty".