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61938095 = 512387619
BaseRepresentation
bin1110110001000…
…1100110101111
311022112210002112
43230101212233
5111324004340
610051314235
71351315352
oct354214657
9138483075
1061938095
1131a6500a
12188ab97b
13caa817b
148324299
155687065
hex3b119af

61938095 has 4 divisors (see below), whose sum is σ = 74325720. Its totient is φ = 49550472.

The previous prime is 61938073. The next prime is 61938101. The reversal of 61938095 is 59083916.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61938095 - 218 = 61675951 is a prime.

It is a super-2 number, since 2×619380952 = 7672655224458050, which contains 22 as substring.

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, 6193805 + ... + 6193814.

It is an arithmetic number, because the mean of its divisors is an integer number (18581430).

Almost surely, 261938095 is an apocalyptic number.

61938095 is a deficient number, since it is larger than the sum of its proper divisors (12387625).

61938095 is a wasteful number, since it uses less digits than its factorization.

61938095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12387624.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 61938095 is about 7870.0759208536. The cubic root of 61938095 is about 395.6573895319.

The spelling of 61938095 in words is "sixty-one million, nine hundred thirty-eight thousand, ninety-five".

Divisors: 1 5 12387619 61938095