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87925248 = 293219081
BaseRepresentation
bin1010011110110…
…10001000000000
320010110001202200
411033122020000
5140002101443
612420313200
72115231555
oct517321000
9203401680
1087925248
11456a45a4
1225542800
13152a6798
14b96aa2c
157abbdd3
hex53da200

87925248 has 60 divisors (see below), whose sum is σ = 253771518. Its totient is φ = 29306880.

The previous prime is 87925231. The next prime is 87925249. The reversal of 87925248 is 84252978.

It can be written as a sum of positive squares in only one way, i.e., 84052224 + 3873024 = 9168^2 + 1968^2 .

It is not an unprimeable number, because it can be changed into a prime (87925249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4933 + ... + 14148.

Almost surely, 287925248 is an apocalyptic number.

It is an amenable number.

87925248 is an abundant number, since it is smaller than the sum of its proper divisors (165846270).

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

87925248 is a wasteful number, since it uses less digits than its factorization.

87925248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19105 (or 19086 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 87925248 is about 9376.8463781807. The cubic root of 87925248 is about 444.6700377691.

The spelling of 87925248 in words is "eighty-seven million, nine hundred twenty-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1152 1536 2304 4608 19081 38162 57243 76324 114486 152648 171729 228972 305296 343458 457944 610592 686916 915888 1221184 1373832 1831776 2442368 2747664 3663552 4884736 5495328 7327104 9769472 10990656 14654208 21981312 29308416 43962624 87925248