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1961505032 = 23594155731
BaseRepresentation
bin111010011101010…
…0011000100001000
312001200220210001112
41310322203010020
513004121130112
6522345505452
766415342364
oct16472430410
95050823045
101961505032
11917244843
12468aa2288
132534b9886
141487182a4
15b730ba22
hex74ea3108

1961505032 has 16 divisors (see below), whose sum is σ = 3740158800. Its totient is φ = 964129360.

The previous prime is 1961505019. The next prime is 1961505059. The reversal of 1961505032 is 2305051691.

It is a super-2 number, since 2×19615050322 = 7695003981122642048, 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 1961505032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077394 + ... + 2078337.

It is an arithmetic number, because the mean of its divisors is an integer number (233759925).

Almost surely, 21961505032 is an apocalyptic number.

It is an amenable number.

1961505032 is a deficient number, since it is larger than the sum of its proper divisors (1778653768).

1961505032 is a wasteful number, since it uses less digits than its factorization.

1961505032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155796 (or 4155792 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1961505032 is about 44288.8815844338. The cubic root of 1961505032 is about 1251.7851894253.

The spelling of 1961505032 in words is "one billion, nine hundred sixty-one million, five hundred five thousand, thirty-two".

Divisors: 1 2 4 8 59 118 236 472 4155731 8311462 16622924 33245848 245188129 490376258 980752516 1961505032