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2585374880 = 255111468963
BaseRepresentation
bin1001101000011001…
…1011000010100000
320200011211122121012
42122012123002200
520243323444010
61104313320052
7121032216044
oct23206330240
96604748535
102585374880
111107416460
12601a06028
1332282212a
141a7516024
15101e92005
hex9a19b0a0

2585374880 has 48 divisors (see below), whose sum is σ = 6663220704. Its totient is φ = 940135680.

The previous prime is 2585374879. The next prime is 2585374907. The reversal of 2585374880 is 884735852.

It is a happy number.

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, 732722 + ... + 736241.

It is an arithmetic number, because the mean of its divisors is an integer number (138817098).

Almost surely, 22585374880 is an apocalyptic number.

2585374880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2585374880 is an abundant number, since it is smaller than the sum of its proper divisors (4077845824).

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

2585374880 is a wasteful number, since it uses less digits than its factorization.

2585374880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468989 (or 1468981 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The square root of 2585374880 is about 50846.5817926830. The cubic root of 2585374880 is about 1372.4857423234.

The spelling of 2585374880 in words is "two billion, five hundred eighty-five million, three hundred seventy-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 1468963 2937926 5875852 7344815 11751704 14689630 16158593 23503408 29379260 32317186 47006816 58758520 64634372 80792965 117517040 129268744 161585930 235034080 258537488 323171860 517074976 646343720 1292687440 2585374880