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103858149 = 3378311273
BaseRepresentation
bin1100011000010…
…11111111100101
321020102112121010
412030023333211
5203041430044
614150012433
72400531303
oct614137745
9236375533
10103858149
115369718a
122a947119
1318694935
14db17273
1591b7bb9
hex630bfe5

103858149 has 16 divisors (see below), whose sum is σ = 143946432. Its totient is φ = 66549888.

The previous prime is 103858121. The next prime is 103858163. The reversal of 103858149 is 941858301.

It is not a de Polignac number, because 103858149 - 211 = 103856101 is a prime.

It is a super-2 number, since 2×1038581492 = 21573030227412402, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103858189) 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, 3577 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (8996652).

Almost surely, 2103858149 is an apocalyptic number.

It is an amenable number.

103858149 is a deficient number, since it is larger than the sum of its proper divisors (40088283).

103858149 is a wasteful number, since it uses less digits than its factorization.

103858149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 103858149 is about 10191.0818365863. The cubic root of 103858149 is about 470.0530330983.

The spelling of 103858149 in words is "one hundred three million, eight hundred fifty-eight thousand, one hundred forty-nine".

Divisors: 1 3 37 83 111 249 3071 9213 11273 33819 417101 935659 1251303 2806977 34619383 103858149