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106140457 = 374496389
BaseRepresentation
bin1100101001110…
…01001100101001
321101201111100001
412110321030221
5204132443312
614310543001
72426115253
oct624711451
9241644301
10106140457
1154a05995
122b667a61
1318cb3707
141014ccd3
1594b9057
hex6539329

106140457 has 8 divisors (see below), whose sum is σ = 109269000. Its totient is φ = 103025664.

The previous prime is 106140451. The next prime is 106140473. The reversal of 106140457 is 754041601.

It can be written as a sum of positive squares in 4 ways, for example, as 9884736 + 96255721 = 3144^2 + 9811^2 .

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 106140457 - 23 = 106140449 is a prime.

It is a super-2 number, since 2×1061404572 = 22531593224337698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13419 + ... + 19807.

It is an arithmetic number, because the mean of its divisors is an integer number (13658625).

Almost surely, 2106140457 is an apocalyptic number.

It is an amenable number.

106140457 is a deficient number, since it is larger than the sum of its proper divisors (3128543).

106140457 is an equidigital number, since it uses as much as digits as its factorization.

106140457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 106140457 is about 10302.4490777679. The cubic root of 106140457 is about 473.4712914779.

The spelling of 106140457 in words is "one hundred six million, one hundred forty thousand, four hundred fifty-seven".

Divisors: 1 37 449 6389 16613 236393 2868661 106140457