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105974390 = 2510597439
BaseRepresentation
bin1100101000100…
…00101001110110
321101102001112102
412110100221312
5204112140030
614303222102
72424524144
oct624205166
9241361472
10105974390
1154902145
122b5a7932
1318c55c52
1410108594
159484c45
hex6510a76

105974390 has 8 divisors (see below), whose sum is σ = 190753920. Its totient is φ = 42389752.

The previous prime is 105974389. The next prime is 105974411. The reversal of 105974390 is 93479501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1059743902 = 22461142671744200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5298710 + ... + 5298729.

It is an arithmetic number, because the mean of its divisors is an integer number (23844240).

Almost surely, 2105974390 is an apocalyptic number.

105974390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105974390 is a deficient number, since it is larger than the sum of its proper divisors (84779530).

105974390 is a wasteful number, since it uses less digits than its factorization.

105974390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597446.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 105974390 is about 10294.3863343086. The cubic root of 105974390 is about 473.2242320566.

The spelling of 105974390 in words is "one hundred five million, nine hundred seventy-four thousand, three hundred ninety".

Divisors: 1 2 5 10 10597439 21194878 52987195 105974390