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1030241220 = 223517170687
BaseRepresentation
bin111101011010000…
…011101111000100
32122210120200021020
4331122003233010
54102220204340
6250121351140
734346622501
oct7532035704
92583520236
101030241220
114895a9528
122490384b0
13135597bb8
149ab804a8
15606a69d0
hex3d683bc4

1030241220 has 24 divisors (see below), whose sum is σ = 2884675584. Its totient is φ = 274730976.

The previous prime is 1030241207. The next prime is 1030241239. The reversal of 1030241220 is 221420301.

It is a super-2 number, since 2×10302412202 = 2122793942774176800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1030241220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8585284 + ... + 8585403.

It is an arithmetic number, because the mean of its divisors is an integer number (120194816).

Almost surely, 21030241220 is an apocalyptic number.

1030241220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030241220 is an abundant number, since it is smaller than the sum of its proper divisors (1854434364).

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

1030241220 is a wasteful number, since it uses less digits than its factorization.

1030241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17170699 (or 17170697 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1030241220 is about 32097.3709203729. The cubic root of 1030241220 is about 1009.9804655896.

Adding to 1030241220 its reverse (221420301), we get a palindrome (1251661521).

The spelling of 1030241220 in words is "one billion, thirty million, two hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 17170687 34341374 51512061 68682748 85853435 103024122 171706870 206048244 257560305 343413740 515120610 1030241220