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56671120 = 2451164399
BaseRepresentation
bin1101100000101…
…1101110010000
310221122012011101
43120023232100
5104001433440
65342354144
71255460632
oct330135620
9127565141
1056671120
1129a97940
1216b8b954
13b982a0c
147752a52
154e9669a
hex360bb90

56671120 has 40 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 20607360.

The previous prime is 56671117. The next prime is 56671123. The reversal of 56671120 is 2117665.

It is an interprime number because it is at equal distance from previous prime (56671117) and next prime (56671123).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (56671123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31320 + ... + 33079.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 256671120 is an apocalyptic number.

It is an amenable number.

56671120 is an abundant number, since it is smaller than the sum of its proper divisors (87069680).

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

56671120 is a wasteful number, since it uses less digits than its factorization.

56671120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64423 (or 64417 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 56671120 is about 7528.0223166513. The cubic root of 56671120 is about 384.1085124466.

Adding to 56671120 its reverse (2117665), we get a palindrome (58788785).

It can be divided in two parts, 56 and 671120, that added together give a palindrome (671176).

The spelling of 56671120 in words is "fifty-six million, six hundred seventy-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 64399 128798 257596 321995 515192 643990 708389 1030384 1287980 1416778 2575960 2833556 3541945 5151920 5667112 7083890 11334224 14167780 28335560 56671120