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187938248 = 2323492281
BaseRepresentation
bin10110011001110…
…11010111001000
3111002122020210212
423030323113020
5341103010443
630352100252
74441306631
oct1314732710
9432566725
10187938248
11970a4873
1252b34688
132cc23184
141ad62888
1511775618
hexb33b5c8

187938248 has 8 divisors (see below), whose sum is σ = 352384230. Its totient is φ = 93969120.

The previous prime is 187938227. The next prime is 187938269. The reversal of 187938248 is 842839781.

It is an interprime number because it is at equal distance from previous prime (187938227) and next prime (187938269).

It can be written as a sum of positive squares in only one way, i.e., 172081924 + 15856324 = 13118^2 + 3982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1879382482 = 70641570122619008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 187938196 and 187938205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11746133 + ... + 11746148.

Almost surely, 2187938248 is an apocalyptic number.

It is an amenable number.

187938248 is a deficient number, since it is larger than the sum of its proper divisors (164445982).

187938248 is a wasteful number, since it uses less digits than its factorization.

187938248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23492287 (or 23492283 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 187938248 is about 13709.0571521166. The cubic root of 187938248 is about 572.8027020591.

The spelling of 187938248 in words is "one hundred eighty-seven million, nine hundred thirty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 23492281 46984562 93969124 187938248