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1020076530 = 235114371887
BaseRepresentation
bin111100110011010…
…010000111110010
32122002110020221020
4330303102013302
54042114422110
6245115440310
734164336024
oct7463220762
92562406836
101020076530
11483896660
12245756096
131334493a5
1499696014
155e849d70
hex3ccd21f2

1020076530 has 64 divisors (see below), whose sum is σ = 2732894208. Its totient is φ = 241536960.

The previous prime is 1020076513. The next prime is 1020076549. The reversal of 1020076530 is 356700201.

It is a super-2 number, since 2×10200765302 = 2081112254113681800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020076530.

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, 21754 + ... + 50133.

It is an arithmetic number, because the mean of its divisors is an integer number (42701472).

Almost surely, 21020076530 is an apocalyptic number.

1020076530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020076530 is an abundant number, since it is smaller than the sum of its proper divisors (1712817678).

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

1020076530 is a wasteful number, since it uses less digits than its factorization.

1020076530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71951.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1020076530 is about 31938.6369464948. The cubic root of 1020076530 is about 1006.6478843671.

Adding to 1020076530 its reverse (356700201), we get a palindrome (1376776731).

The spelling of 1020076530 in words is "one billion, twenty million, seventy-six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 43 55 66 86 110 129 165 215 258 330 430 473 645 946 1290 1419 2365 2838 4730 7095 14190 71887 143774 215661 359435 431322 718870 790757 1078305 1581514 2156610 2372271 3091141 3953785 4744542 6182282 7907570 9273423 11861355 15455705 18546846 23722710 30911410 34002551 46367115 68005102 92734230 102007653 170012755 204015306 340025510 510038265 1020076530