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1030394436 = 22385866203
BaseRepresentation
bin111101011010101…
…001001001000100
32122210212110102220
4331122221021010
54102240110221
6250124532340
734351131261
oct7532511104
92583773386
101030394436
114896a3655
122490b10b0
1313561c866
149abc0268
15606d70c6
hex3d6a9244

1030394436 has 12 divisors (see below), whose sum is σ = 2404253712. Its totient is φ = 343464808.

The previous prime is 1030394413. The next prime is 1030394437. The reversal of 1030394436 is 6344930301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1030394397 and 1030394406.

It is not an unprimeable number, because it can be changed into a prime (1030394437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42933090 + ... + 42933113.

It is an arithmetic number, because the mean of its divisors is an integer number (200354476).

Almost surely, 21030394436 is an apocalyptic number.

It is an amenable number.

1030394436 is an abundant number, since it is smaller than the sum of its proper divisors (1373859276).

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

1030394436 is a wasteful number, since it uses less digits than its factorization.

1030394436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85866210 (or 85866208 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 1030394436 is about 32099.7575691780. The cubic root of 1030394436 is about 1010.0305307243.

The spelling of 1030394436 in words is "one billion, thirty million, three hundred ninety-four thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 85866203 171732406 257598609 343464812 515197218 1030394436