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1030553320 = 23525763833
BaseRepresentation
bin111101011011001…
…111111011101000
32122211011112101111
4331123033323220
54102310201240
6250132200104
734352362426
oct7533177350
92584145344
101030553320
114897a1a65
12249169034
13135676c84
149ac22116
15607191ea
hex3d6cfee8

1030553320 has 16 divisors (see below), whose sum is σ = 2318745060. Its totient is φ = 412221312.

The previous prime is 1030553281. The next prime is 1030553323. The reversal of 1030553320 is 233550301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 917726436 + 112826884 = 30294^2 + 10622^2 .

It is a super-3 number, since 3×10305533203 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030553291 and 1030553300.

It is not an unprimeable number, because it can be changed into a prime (1030553323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12881877 + ... + 12881956.

Almost surely, 21030553320 is an apocalyptic number.

1030553320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030553320 is an abundant number, since it is smaller than the sum of its proper divisors (1288191740).

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

1030553320 is a wasteful number, since it uses less digits than its factorization.

1030553320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25763844 (or 25763840 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 1030553320 is about 32102.2323211331. The cubic root of 1030553320 is about 1010.0824427034.

The spelling of 1030553320 in words is "one billion, thirty million, five hundred fifty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 25763833 51527666 103055332 128819165 206110664 257638330 515276660 1030553320