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105074240 = 265328357
BaseRepresentation
bin1100100001101…
…00111001000000
321022201022202112
412100310321000
5203344333430
614232034452
72414054615
oct620647100
9238638675
10105074240
1154347917
122b232a28
13189cc30b
14dd5250c
159358195
hex6434e40

105074240 has 28 divisors (see below), whose sum is σ = 250208796. Its totient is φ = 42029568.

The previous prime is 105074219. The next prime is 105074251. The reversal of 105074240 is 42470501.

It can be written as a sum of positive squares in 2 ways, for example, as 62980096 + 42094144 = 7936^2 + 6488^2 .

It is a super-2 number, since 2×1050742402 = 22081191823155200, which contains 22 as substring.

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, 163859 + ... + 164498.

Almost surely, 2105074240 is an apocalyptic number.

105074240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105074240 is an abundant number, since it is smaller than the sum of its proper divisors (145134556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105074240 is an equidigital number, since it uses as much as digits as its factorization.

105074240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328374 (or 328364 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 105074240 is about 10250.5726669294. The cubic root of 105074240 is about 471.8805596468.

The spelling of 105074240 in words is "one hundred five million, seventy-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 328357 656714 1313428 1641785 2626856 3283570 5253712 6567140 10507424 13134280 21014848 26268560 52537120 105074240