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94125109 = 137240393
BaseRepresentation
bin1011001110000…
…11110000110101
320120010001101011
411213003300311
5143044000414
613201232221
72222023141
oct547036065
9216101334
1094125109
1149149651
1227632671
1316667740
14c702221
1583e3dc4
hex59c3c35

94125109 has 4 divisors (see below), whose sum is σ = 101365516. Its totient is φ = 86884704.

The previous prime is 94125089. The next prime is 94125113. The reversal of 94125109 is 90152149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90152149 = 255735257.

It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 68013009 = 5110^2 + 8247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94125109 is a prime.

It is a super-2 number, since 2×941251092 = 17719072288523762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94125139) 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, 3620184 + ... + 3620209.

It is an arithmetic number, because the mean of its divisors is an integer number (25341379).

Almost surely, 294125109 is an apocalyptic number.

It is an amenable number.

94125109 is a deficient number, since it is larger than the sum of its proper divisors (7240407).

94125109 is a wasteful number, since it uses less digits than its factorization.

94125109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240406.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 94125109 is about 9701.8095734765. The cubic root of 94125109 is about 454.8852248439.

The spelling of 94125109 in words is "ninety-four million, one hundred twenty-five thousand, one hundred nine".

Divisors: 1 13 7240393 94125109