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87275416 = 231731127163
BaseRepresentation
bin1010011001110…
…11011110011000
320002020001100211
411030323132120
5134320303131
612354340504
72106554164
oct514733630
9202201324
1087275416
11452a0348
122528a734
1315109a77
14b83bca4
1579de5b1
hex533b798

87275416 has 64 divisors (see below), whose sum is σ = 181370880. Its totient is φ = 39191040.

The previous prime is 87275411. The next prime is 87275431. The reversal of 87275416 is 61457278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87275411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535351 + ... + 535513.

It is an arithmetic number, because the mean of its divisors is an integer number (2833920).

Almost surely, 287275416 is an apocalyptic number.

It is an amenable number.

87275416 is an abundant number, since it is smaller than the sum of its proper divisors (94095464).

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

87275416 is a wasteful number, since it uses less digits than its factorization.

87275416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 340 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 87275416 is about 9342.1312343597. The cubic root of 87275416 is about 443.5718487151.

The spelling of 87275416 in words is "eighty-seven million, two hundred seventy-five thousand, four hundred sixteen".

Divisors: 1 2 4 8 17 31 34 62 68 124 127 136 163 248 254 326 508 527 652 1016 1054 1304 2108 2159 2771 3937 4216 4318 5053 5542 7874 8636 10106 11084 15748 17272 20212 20701 22168 31496 40424 41402 66929 82804 85901 133858 165608 171802 267716 343604 351917 535432 641731 687208 703834 1283462 1407668 2566924 2815336 5133848 10909427 21818854 43637708 87275416