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8134542474 = 232116425389
BaseRepresentation
bin1111001001101101…
…10100010010001010
3202222220120120110220
413210312310102022
5113124420324344
63423103250510
7405403320162
oct74466642212
922886516426
108134542474
1134a4812183
1216b02a9a36
139c838c356
145724cb5a2
15329224c19
hex1e4db448a

8134542474 has 16 divisors (see below), whose sum is σ = 16346192160. Its totient is φ = 2698662960.

The previous prime is 8134542469. The next prime is 8134542527. The reversal of 8134542474 is 4742454318.

It is a super-2 number, since 2×81345424742 (a number of 21 digits) contains 22 as substring.

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, 3211429 + ... + 3213960.

It is an arithmetic number, because the mean of its divisors is an integer number (1021637010).

Almost surely, 28134542474 is an apocalyptic number.

8134542474 is an abundant number, since it is smaller than the sum of its proper divisors (8211649686).

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

8134542474 is a wasteful number, since it uses less digits than its factorization.

8134542474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425605.

The product of its digits is 430080, while the sum is 42.

The square root of 8134542474 is about 90191.6984760793. The cubic root of 8134542474 is about 2011.1496005334.

The spelling of 8134542474 in words is "eight billion, one hundred thirty-four million, five hundred forty-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 211 422 633 1266 6425389 12850778 19276167 38552334 1355757079 2711514158 4067271237 8134542474