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87248752 = 2423237089
BaseRepresentation
bin1010011001101…
…00111101110000
320002011200210021
411030310331300
5134313430002
612354013224
72106413353
oct514647560
9202150707
1087248752
1145282308
1225277214
13150ca8a6
14b83229a
1579d6737
hex5334f70

87248752 has 20 divisors (see below), whose sum is σ = 176394960. Its totient is φ = 41727488.

The previous prime is 87248719. The next prime is 87248767. The reversal of 87248752 is 25784278.

It is a super-2 number, since 2×872487522 = 15224689451115008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87248699 and 87248708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118177 + ... + 118912.

It is an arithmetic number, because the mean of its divisors is an integer number (8819748).

Almost surely, 287248752 is an apocalyptic number.

It is an amenable number.

87248752 is an abundant number, since it is smaller than the sum of its proper divisors (89146208).

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

87248752 is a wasteful number, since it uses less digits than its factorization.

87248752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237120 (or 237114 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 87248752 is about 9340.7040419874. The cubic root of 87248752 is about 443.5266714093.

The spelling of 87248752 in words is "eighty-seven million, two hundred forty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 237089 474178 948356 1896712 3793424 5453047 10906094 21812188 43624376 87248752