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105517408 = 2510730817
BaseRepresentation
bin1100100101000…
…01000101100000
321100112211200011
412102201011200
5204003024113
614245334304
72420611633
oct622410540
9240484604
10105517408
115461a877
122b407394
1318b25c49
1410029c1a
1593e463d
hex64a1160

105517408 has 24 divisors (see below), whose sum is σ = 209685672. Its totient is φ = 52263936.

The previous prime is 105517403. The next prime is 105517409. The reversal of 105517408 is 804715501.

It is a super-2 number, since 2×1055174082 = 22267846782076928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105517408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105517403) 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, 11985 + ... + 18832.

It is an arithmetic number, because the mean of its divisors is an integer number (8736903).

Almost surely, 2105517408 is an apocalyptic number.

It is an amenable number.

105517408 is a deficient number, since it is larger than the sum of its proper divisors (104168264).

105517408 is a wasteful number, since it uses less digits than its factorization.

105517408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30934 (or 30926 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 105517408 is about 10272.1666653146. The cubic root of 105517408 is about 472.5430406002.

The spelling of 105517408 in words is "one hundred five million, five hundred seventeen thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 107 214 428 856 1712 3424 30817 61634 123268 246536 493072 986144 3297419 6594838 13189676 26379352 52758704 105517408