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106515377 = 451723581
BaseRepresentation
bin1100101100101…
…00101110110001
321102102112121222
412112110232301
5204231443002
614322554425
72432236313
oct626245661
9242375558
10106515377
1155141641
122b808a15
13190b5267
14102097b3
1595401a2
hex6594bb1

106515377 has 4 divisors (see below), whose sum is σ = 106543476. Its totient is φ = 106487280.

The previous prime is 106515373. The next prime is 106515389. The reversal of 106515377 is 773515601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773515601 = 781798953.

It can be written as a sum of positive squares in 2 ways, for example, as 9709456 + 96805921 = 3116^2 + 9839^2 .

It is a cyclic number.

It is not a de Polignac number, because 106515377 - 22 = 106515373 is a prime.

It is a super-2 number, since 2×1065153772 = 22691051074904258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106515373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7274 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (26635869).

Almost surely, 2106515377 is an apocalyptic number.

It is an amenable number.

106515377 is a deficient number, since it is larger than the sum of its proper divisors (28099).

106515377 is an equidigital number, since it uses as much as digits as its factorization.

106515377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28098.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 106515377 is about 10320.6287114691. The cubic root of 106515377 is about 474.0281173420.

The spelling of 106515377 in words is "one hundred six million, five hundred fifteen thousand, three hundred seventy-seven".

Divisors: 1 4517 23581 106515377