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87203426 = 2192294827
BaseRepresentation
bin1010011001010…
…01111001100010
320002002101121112
411030221321202
5134311002201
612353023322
72106134252
oct514517142
9202071545
1087203426
1145251252
1225254b42
13150b307b
14b81d962
1579c80bb
hex5329e62

87203426 has 8 divisors (see below), whose sum is σ = 137689680. Its totient is φ = 41306868.

The previous prime is 87203423. The next prime is 87203437. The reversal of 87203426 is 62430278.

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

It is a super-2 number, since 2×872034262 = 15208875012274952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87203392 and 87203401.

It is not an unprimeable number, because it can be changed into a prime (87203423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147376 + ... + 1147451.

It is an arithmetic number, because the mean of its divisors is an integer number (17211210).

Almost surely, 287203426 is an apocalyptic number.

87203426 is a deficient number, since it is larger than the sum of its proper divisors (50486254).

87203426 is a wasteful number, since it uses less digits than its factorization.

87203426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294848.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 87203426 is about 9338.2774642864. The cubic root of 87203426 is about 443.4498536070.

The spelling of 87203426 in words is "eighty-seven million, two hundred three thousand, four hundred twenty-six".

Divisors: 1 2 19 38 2294827 4589654 43601713 87203426