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745410816 = 2833107843
BaseRepresentation
bin101100011011100…
…001000100000000
31220221121210102000
4230123201010000
53011311121231
6201544424000
724320613243
oct5433410400
91827553360
10745410816
113528461a7
12189778000
13bb57b9b7
1470dd925a
15456926e6
hex2c6e1100

745410816 has 72 divisors (see below), whose sum is σ = 2204331360. Its totient is φ = 248467968.

The previous prime is 745410797. The next prime is 745410821. The reversal of 745410816 is 618014547.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47010 + ... + 60833.

Almost surely, 2745410816 is an apocalyptic number.

It is an amenable number.

745410816 is an abundant number, since it is smaller than the sum of its proper divisors (1458920544).

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

745410816 is a wasteful number, since it uses less digits than its factorization.

745410816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107868 (or 107848 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 745410816 is about 27302.2126575851. The cubic root of 745410816 is about 906.7033702942.

The spelling of 745410816 in words is "seven hundred forty-five million, four hundred ten thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1152 1728 2304 3456 6912 107843 215686 323529 431372 647058 862744 970587 1294116 1725488 1941174 2588232 2911761 3450976 3882348 5176464 5823522 6901952 7764696 10352928 11647044 13803904 15529392 20705856 23294088 27607808 31058784 41411712 46588176 62117568 82823424 93176352 124235136 186352704 248470272 372705408 745410816