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87077434 = 2172791907
BaseRepresentation
bin1010011000010…
…11001000111010
320001211222210011
411030023020322
5134242434214
612350212134
72105101033
oct514131072
9201758704
1087077434
1145175624
12251b404a
131506a912
14b7c9a8a
1579a0ac4
hex530b23a

87077434 has 24 divisors (see below), whose sum is σ = 140581440. Its totient is φ = 40437696.

The previous prime is 87077429. The next prime is 87077447. The reversal of 87077434 is 43477078.

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, 44709 + ... + 46615.

It is an arithmetic number, because the mean of its divisors is an integer number (5857560).

Almost surely, 287077434 is an apocalyptic number.

87077434 is a deficient number, since it is larger than the sum of its proper divisors (53504006).

87077434 is a wasteful number, since it uses less digits than its factorization.

87077434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 87077434 is about 9331.5290279782. The cubic root of 87077434 is about 443.2361843901.

The spelling of 87077434 in words is "eighty-seven million, seventy-seven thousand, four hundred thirty-four".

Divisors: 1 2 17 34 79 158 289 578 1343 1907 2686 3814 22831 32419 45662 64838 150653 301306 551123 1102246 2561101 5122202 43538717 87077434