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1965048740 = 225111787961
BaseRepresentation
bin111010100100000…
…0100001110100100
312001221120211002222
41311020010032210
513011023024430
6522553451512
766460432034
oct16510041644
95057524088
101965048740
11919245226
1246a110b98
1325415a845
14148d9b8c4
15b77ab9e5
hex752043a4

1965048740 has 24 divisors (see below), whose sum is σ = 4130343672. Its totient is φ = 785306880.

The previous prime is 1965048731. The next prime is 1965048773. The reversal of 1965048740 is 478405691.

It can be written as a sum of positive squares in 4 ways, for example, as 185558884 + 1779489856 = 13622^2 + 42184^2 .

It is a super-2 number, since 2×19650487402 = 7722833101151175200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1965048691 and 1965048700.

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, 21641 + ... + 66320.

It is an arithmetic number, because the mean of its divisors is an integer number (172097653).

Almost surely, 21965048740 is an apocalyptic number.

1965048740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1965048740 is an abundant number, since it is smaller than the sum of its proper divisors (2165294932).

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

1965048740 is a wasteful number, since it uses less digits than its factorization.

1965048740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89087 (or 89085 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1965048740 is about 44328.8702766042. The cubic root of 1965048740 is about 1252.5385722308.

The spelling of 1965048740 in words is "one billion, nine hundred sixty-five million, forty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1117 2234 4468 5585 11170 22340 87961 175922 351844 439805 879610 1759220 98252437 196504874 393009748 491262185 982524370 1965048740