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1030525420 = 225196534153
BaseRepresentation
bin111101011011001…
…001000111101100
32122211010010010011
4331123021013230
54102303303140
6250131423004
734352215201
oct7533110754
92584103104
101030525420
11489783001
12249154a64
13135667372
149ac15ca8
1560710cea
hex3d6c91ec

1030525420 has 48 divisors (see below), whose sum is σ = 2282041440. Its totient is φ = 389822976.

The previous prime is 1030525417. The next prime is 1030525513. The reversal of 1030525420 is 245250301.

It is a junction number, because it is equal to n+sod(n) for n = 1030525391 and 1030525400.

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 15 ways as a sum of consecutive naturals, for example, 246064 + ... + 250216.

It is an arithmetic number, because the mean of its divisors is an integer number (47542530).

Almost surely, 21030525420 is an apocalyptic number.

1030525420 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 1030525420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141020720).

1030525420 is an abundant number, since it is smaller than the sum of its proper divisors (1251516020).

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

1030525420 is a wasteful number, since it uses less digits than its factorization.

1030525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1030525420 is about 32101.7977689724. The cubic root of 1030525420 is about 1010.0733273560.

Adding to 1030525420 its reverse (245250301), we get a palindrome (1275775721).

The spelling of 1030525420 in words is "one billion, thirty million, five hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 653 1306 2612 3265 4153 6530 8306 12407 13060 16612 20765 24814 41530 49628 62035 78907 83060 124070 157814 248140 315628 394535 789070 1578140 2711909 5423818 10847636 13559545 27119090 51526271 54238180 103052542 206105084 257631355 515262710 1030525420