1465020730 has 16 divisors (see below), whose sum is σ = 2792157480. Its totient is φ = 551537152.
The previous prime is 1465020701. The next prime is 1465020731. The reversal of 1465020730 is 370205641.
It can be written as a sum of positive squares in 4 ways, for example, as 1236436569 + 228584161 = 35163^2 + 15119^2 .
It is not an unprimeable number, because it can be changed into a prime (1465020731) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308715 + ... + 4309054.
Almost surely, 21465020730 is an apocalyptic number.
1465020730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1465020730 is a deficient number, since it is larger than the sum of its proper divisors (1327136750).
1465020730 is a wasteful number, since it uses less digits than its factorization.
1465020730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8617793.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 1465020730 is about 38275.5892181949. The cubic root of 1465020730 is about 1135.7461064919.
The spelling of 1465020730 in words is "one billion, four hundred sixty-five million, twenty thousand, seven hundred thirty".
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