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87413694 = 23176712791
BaseRepresentation
bin1010011010111…
…01001110111110
320002111002001020
411031131032332
5134334214234
612401325010
72111001264
oct515351676
9202432036
1087413694
1145385225
1225336766
13151579a4
14b876434
157a1a549
hex535d3be

87413694 has 32 divisors (see below), whose sum is σ = 187888896. Its totient is φ = 27012480.

The previous prime is 87413693. The next prime is 87413723. The reversal of 87413694 is 49631478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87413693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (5871528).

Almost surely, 287413694 is an apocalyptic number.

87413694 is an abundant number, since it is smaller than the sum of its proper divisors (100475202).

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

87413694 is a wasteful number, since it uses less digits than its factorization.

87413694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12880.

The product of its digits is 145152, while the sum is 42.

The square root of 87413694 is about 9349.5290790499. The cubic root of 87413694 is about 443.8059882011.

The spelling of 87413694 in words is "eighty-seven million, four hundred thirteen thousand, six hundred ninety-four".

Divisors: 1 2 3 6 17 34 51 67 102 134 201 402 1139 2278 3417 6834 12791 25582 38373 76746 217447 434894 652341 856997 1304682 1713994 2570991 5141982 14568949 29137898 43706847 87413694