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1030456020 = 2235111791841
BaseRepresentation
bin111101011010111…
…000001011010100
32122210222120220210
4331122320023110
54102244043040
6250130125420
734351505646
oct7532701324
92583876823
101030456020
11489735950
12249120870
131356418b9
149abd8896
15606ea480
hex3d6b82d4

1030456020 has 96 divisors (see below), whose sum is σ = 3332762496. Its totient is φ = 235110400.

The previous prime is 1030455997. The next prime is 1030456033. The reversal of 1030456020 is 206540301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34701 + ... + 57140.

It is an arithmetic number, because the mean of its divisors is an integer number (34716276).

Almost surely, 21030456020 is an apocalyptic number.

1030456020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030456020 is an abundant number, since it is smaller than the sum of its proper divisors (2302306476).

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

1030456020 is a wasteful number, since it uses less digits than its factorization.

1030456020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91881 (or 91879 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1030456020 is about 32100.7168144264. The cubic root of 1030456020 is about 1010.0506526242.

Adding to 1030456020 its reverse (206540301), we get a palindrome (1236996321).

The spelling of 1030456020 in words is "one billion, thirty million, four hundred fifty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 132 165 170 187 204 220 255 330 340 374 510 561 660 748 935 1020 1122 1870 2244 2805 3740 5610 11220 91841 183682 275523 367364 459205 551046 918410 1010251 1102092 1377615 1561297 1836820 2020502 2755230 3030753 3122594 4041004 4683891 5051255 5510460 6061506 6245188 7806485 9367782 10102510 12123012 15153765 15612970 17174267 18735564 20205020 23419455 30307530 31225940 34348534 46838910 51522801 60615060 68697068 85871335 93677820 103045602 171742670 206091204 257614005 343485340 515228010 1030456020