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1530453700 = 225215304537
BaseRepresentation
bin101101100111000…
…1101111011000100
310221122211002210101
41123032031323010
511113244004300
6411510533444
752632433066
oct13316157304
93848732711
101530453700
117159a0576
12368667284
131b50c5909
1410738d736
158e562b6a
hex5b38dec4

1530453700 has 18 divisors (see below), whose sum is σ = 3321084746. Its totient is φ = 612181440.

The previous prime is 1530453697. The next prime is 1530453719. The reversal of 1530453700 is 73540351.

It can be written as a sum of positive squares in 3 ways, for example, as 121352256 + 1409101444 = 11016^2 + 37538^2 .

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 5 ways as a sum of consecutive naturals, for example, 7652169 + ... + 7652368.

Almost surely, 21530453700 is an apocalyptic number.

1530453700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530453700 is an abundant number, since it is smaller than the sum of its proper divisors (1790631046).

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

1530453700 is a wasteful number, since it uses less digits than its factorization.

1530453700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304551 (or 15304544 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 1530453700 is about 39121.0135349277. The cubic root of 1530453700 is about 1152.4092402527.

The spelling of 1530453700 in words is "one billion, five hundred thirty million, four hundred fifty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 15304537 30609074 61218148 76522685 153045370 306090740 382613425 765226850 1530453700