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102046147 = 7235311959
BaseRepresentation
bin1100001010100…
…01100111000011
321010000110222221
412011101213003
5202110434042
614043111511
72346243430
oct605214703
9233013887
10102046147
1152669865
122a212597
13181abc48
14d7a4b87
158e5ad67
hex61519c3

102046147 has 16 divisors (see below), whose sum is σ = 124001280. Its totient is φ = 82079712.

The previous prime is 102046123. The next prime is 102046177. The reversal of 102046147 is 741640201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102046147 is a prime.

It is a super-2 number, since 2×1020461472 = 20826832235091218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102046177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (7750080).

Almost surely, 2102046147 is an apocalyptic number.

102046147 is a deficient number, since it is larger than the sum of its proper divisors (21955133).

102046147 is a wasteful number, since it uses less digits than its factorization.

102046147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 102046147 is about 10101.7892969513. The cubic root of 102046147 is about 467.3033242884.

Adding to 102046147 its reverse (741640201), we get a palindrome (843686348).

The spelling of 102046147 in words is "one hundred two million, forty-six thousand, one hundred forty-seven".

Divisors: 1 7 23 53 161 371 1219 8533 11959 83713 275057 633827 1925399 4436789 14578021 102046147