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87872294 = 256897723
BaseRepresentation
bin1010011110011…
…01001100100110
320010100101010102
411033031030212
5134443403134
612415224102
72114621306
oct517151446
9203311112
1087872294
1145668834
1225518032
1315288653
14b955606
157aab37e
hex53cd326

87872294 has 8 divisors (see below), whose sum is σ = 131848680. Its totient is φ = 43922736.

The previous prime is 87872293. The next prime is 87872329. The reversal of 87872294 is 49227878.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87872293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7517 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (16481085).

Almost surely, 287872294 is an apocalyptic number.

87872294 is a deficient number, since it is larger than the sum of its proper divisors (43976386).

87872294 is a wasteful number, since it uses less digits than its factorization.

87872294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414.

The product of its digits is 451584, while the sum is 47.

The square root of 87872294 is about 9374.0222956850. The cubic root of 87872294 is about 444.5807506134.

The spelling of 87872294 in words is "eighty-seven million, eight hundred seventy-two thousand, two hundred ninety-four".

Divisors: 1 2 5689 7723 11378 15446 43936147 87872294