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10102557 = 311872837
BaseRepresentation
bin100110100010…
…011100011101
3201000021002210
4212202130131
510041240212
61000311033
7151604343
oct46423435
921007083
1010102557
115780223
123472479
13212945a
1414ad993
15d4853c
hex9a271d

10102557 has 8 divisors (see below), whose sum is σ = 13486176. Its totient is φ = 6726992.

The previous prime is 10102537. The next prime is 10102597. The reversal of 10102557 is 75520101.

10102557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10102557 - 26 = 10102493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1685772).

Almost surely, 210102557 is an apocalyptic number.

It is an amenable number.

10102557 is a deficient number, since it is larger than the sum of its proper divisors (3383619).

10102557 is a wasteful number, since it uses less digits than its factorization.

10102557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 10102557 is about 3178.4519817043. The cubic root of 10102557 is about 216.1774733118.

Adding to 10102557 its reverse (75520101), we get a palindrome (85622658).

The spelling of 10102557 in words is "ten million, one hundred two thousand, five hundred fifty-seven".

Divisors: 1 3 1187 2837 3561 8511 3367519 10102557