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102107741 = 237875641
BaseRepresentation
bin1100001011000…
…00101001011101
321010010121111012
412011200221131
5202114421431
614044305005
72346621131
oct605405135
9233117435
10102107741
115270106a
122a242165
1318200ca8
14d7bd3c1
158e6e22b
hex6160a5d

102107741 has 8 divisors (see below), whose sum is σ = 106701504. Its totient is φ = 97526880.

The previous prime is 102107723. The next prime is 102107743. The reversal of 102107741 is 147701201.

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 102107741 - 214 = 102091357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102107743) 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, 15281 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (13337688).

Almost surely, 2102107741 is an apocalyptic number.

It is an amenable number.

102107741 is a deficient number, since it is larger than the sum of its proper divisors (4593763).

102107741 is an equidigital number, since it uses as much as digits as its factorization.

102107741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 102107741 is about 10104.8375048785. The cubic root of 102107741 is about 467.3973251978.

Adding to 102107741 its reverse (147701201), we get a palindrome (249808942).

The spelling of 102107741 in words is "one hundred two million, one hundred seven thousand, seven hundred forty-one".

Divisors: 1 23 787 5641 18101 129743 4439467 102107741