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87416303 = 1397181383
BaseRepresentation
bin1010011010111…
…01110111101111
320002111012121212
411031131313233
5134334310203
612401345035
72111012012
oct515356757
9202435555
1087416303
1145387187
122533817b
1315158c30
14b877379
157a1b1d8
hex535ddef

87416303 has 16 divisors (see below), whose sum is σ = 95886336. Its totient is φ = 79211520.

The previous prime is 87416299. The next prime is 87416309. The reversal of 87416303 is 30361478.

It is a cyclic number.

It is not a de Polignac number, because 87416303 - 22 = 87416299 is a prime.

It is a super-2 number, since 2×874163032 = 15283220060375618, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 87416303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87416309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228050 + ... + 228432.

It is an arithmetic number, because the mean of its divisors is an integer number (5992896).

Almost surely, 287416303 is an apocalyptic number.

87416303 is a deficient number, since it is larger than the sum of its proper divisors (8470033).

87416303 is a wasteful number, since it uses less digits than its factorization.

87416303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 87416303 is about 9349.6686037528. The cubic root of 87416303 is about 443.8104035212.

The spelling of 87416303 in words is "eighty-seven million, four hundred sixteen thousand, three hundred three".

Divisors: 1 13 97 181 383 1261 2353 4979 17557 37151 69323 228241 482963 901199 6724331 87416303