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8147484040 = 23510913672
BaseRepresentation
bin1111001011010000…
…01011110110001000
3210000210221001222011
413211220023312020
5113141223442130
63424244505304
7405621320533
oct74550136610
923023831864
108147484040
113501051393
1216b46ab234
139cac70a97
145740d9a1a
1532a42e52a
hex1e5a0bd88

8147484040 has 48 divisors (see below), whose sum is σ = 18513564300. Its totient is φ = 3226732416.

The previous prime is 8147484019. The next prime is 8147484053. The reversal of 8147484040 is 404847418.

It can be written as a sum of positive squares in 2 ways, for example, as 8140009284 + 7474756 = 90222^2 + 2734^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8147483984 and 8147484002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5959437 + ... + 5960803.

Almost surely, 28147484040 is an apocalyptic number.

It is an amenable number.

8147484040 is an abundant number, since it is smaller than the sum of its proper divisors (10366080260).

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

8147484040 is a wasteful number, since it uses less digits than its factorization.

8147484040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 8147484040 is about 90263.4147370905. The cubic root of 8147484040 is about 2012.2155746339.

The spelling of 8147484040 in words is "eight billion, one hundred forty-seven million, four hundred eighty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 872 1090 1367 2180 2734 4360 5468 6835 10936 13670 27340 54680 149003 298006 596012 745015 1192024 1490030 1868689 2980060 3737378 5960120 7474756 9343445 14949512 18686890 37373780 74747560 203687101 407374202 814748404 1018435505 1629496808 2036871010 4073742020 8147484040