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513054444 = 223747129953
BaseRepresentation
bin11110100101001…
…001011011101100
31022202101212101110
4132211021123230
52022320220234
6122524312020
715466614360
oct3645113354
91282355343
10513054444
11243673441
121239a2610
13823a6016
144c1d32a0
15300961e9
hex1e9496ec

513054444 has 48 divisors (see below), whose sum is σ = 1397265408. Its totient is φ = 143467008.

The previous prime is 513054419. The next prime is 513054463. The reversal of 513054444 is 444450315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61029 + ... + 68924.

It is an arithmetic number, because the mean of its divisors is an integer number (29109696).

Almost surely, 2513054444 is an apocalyptic number.

It is an amenable number.

513054444 is an abundant number, since it is smaller than the sum of its proper divisors (884210964).

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

513054444 is a wasteful number, since it uses less digits than its factorization.

513054444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130014 (or 130012 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 513054444 is about 22650.7051545862. The cubic root of 513054444 is about 800.5488130026.

The spelling of 513054444 in words is "five hundred thirteen million, fifty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 129953 259906 389859 519812 779718 909671 1559436 1819342 2729013 3638684 5458026 6107791 10916052 12215582 18323373 24431164 36646746 42754537 73293492 85509074 128263611 171018148 256527222 513054444