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88195055 = 5131971413
BaseRepresentation
bin1010100000110…
…11111111101111
320010221202212112
411100123333233
5140034220210
612430154235
72120434304
oct520337757
9203852775
1088195055
1145869283
122565297b
131536c530
14b9db0ab
157b21d05
hex541bfef

88195055 has 16 divisors (see below), whose sum is σ = 119975520. Its totient is φ = 61699968.

The previous prime is 88195043. The next prime is 88195067. The reversal of 88195055 is 55059188.

It is an interprime number because it is at equal distance from previous prime (88195043) and next prime (88195067).

It is a cyclic number.

It is not a de Polignac number, because 88195055 - 26 = 88194991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34472 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (7498470).

Almost surely, 288195055 is an apocalyptic number.

88195055 is a deficient number, since it is larger than the sum of its proper divisors (31780465).

88195055 is a wasteful number, since it uses less digits than its factorization.

88195055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71450.

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 88195055 is about 9391.2222314244. Note that the first 4 decimals coincide. The cubic root of 88195055 is about 445.1244107813.

The spelling of 88195055 in words is "eighty-eight million, one hundred ninety-five thousand, fifty-five".

Divisors: 1 5 13 19 65 95 247 1235 71413 357065 928369 1356847 4641845 6784235 17639011 88195055