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106243431 = 375059211
BaseRepresentation
bin1100101010100…
…10010101100111
321101220201120220
412111102111213
5204144242211
614313055423
72430024420
oct625222547
9241821526
10106243431
1154a76298
122b6b7573
131901b548
1410178647
1594d9806
hex6552567

106243431 has 8 divisors (see below), whose sum is σ = 161894784. Its totient is φ = 60710520.

The previous prime is 106243427. The next prime is 106243447. The reversal of 106243431 is 134342601.

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

It is not a de Polignac number, because 106243431 - 22 = 106243427 is a prime.

It is a super-2 number, since 2×1062434312 = 22575333261303522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106243451) 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, 2529585 + ... + 2529626.

It is an arithmetic number, because the mean of its divisors is an integer number (20236848).

Almost surely, 2106243431 is an apocalyptic number.

106243431 is a deficient number, since it is larger than the sum of its proper divisors (55651353).

106243431 is an equidigital number, since it uses as much as digits as its factorization.

106243431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059221.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 106243431 is about 10307.4454158147. The cubic root of 106243431 is about 473.6243574427.

The spelling of 106243431 in words is "one hundred six million, two hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 3 7 21 5059211 15177633 35414477 106243431