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3445781390 = 25839410701
BaseRepresentation
bin1100110101100010…
…0111001110001110
322220010211211102222
43031120213032032
524024110001030
61325531015342
7151250441612
oct31530471616
98803754388
103445781390
111509065617
12801b9a552
1342bb64ccc
142498c7342
1515279c3e5
hexcd62738e

3445781390 has 16 divisors (see below), whose sum is σ = 6209814240. Its totient is φ = 1376666400.

The previous prime is 3445781341. The next prime is 3445781407. The reversal of 3445781390 is 931875443.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196961 + ... + 213740.

It is an arithmetic number, because the mean of its divisors is an integer number (388113390).

Almost surely, 23445781390 is an apocalyptic number.

3445781390 is a deficient number, since it is larger than the sum of its proper divisors (2764032850).

3445781390 is a wasteful number, since it uses less digits than its factorization.

3445781390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411547.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 3445781390 is about 58700.7784445828. The cubic root of 3445781390 is about 1510.4136682235.

The spelling of 3445781390 in words is "three billion, four hundred forty-five million, seven hundred eighty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 839 1678 4195 8390 410701 821402 2053505 4107010 344578139 689156278 1722890695 3445781390