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105445354 = 2721075973
BaseRepresentation
bin1100100100011…
…11011111101010
321100102011211111
412102033133222
5203443222404
614244020534
72420161600
oct622173752
9240364744
10105445354
1154580723
122b39174a
1318acc201
141000b870
1593cd104
hex648f7ea

105445354 has 12 divisors (see below), whose sum is σ = 183991554. Its totient is φ = 45190824.

The previous prime is 105445349. The next prime is 105445369. The reversal of 105445354 is 453544501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 101465329 + 3980025 = 10073^2 + 1995^2 .

It is a super-2 number, since 2×1054453542 = 22237445360370632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537889 + ... + 538084.

Almost surely, 2105445354 is an apocalyptic number.

105445354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105445354 is a deficient number, since it is larger than the sum of its proper divisors (78546200).

105445354 is a wasteful number, since it uses less digits than its factorization.

105445354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075989 (or 1075982 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 105445354 is about 10268.6588218715. The cubic root of 105445354 is about 472.4354552895.

Adding to 105445354 its reverse (453544501), we get a palindrome (558989855).

The spelling of 105445354 in words is "one hundred five million, four hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 7 14 49 98 1075973 2151946 7531811 15063622 52722677 105445354