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745357044 = 2231723672371
BaseRepresentation
bin101100011011010…
…011111011110100
31220221112001122110
4230123103323310
53011302411134
6201543331020
724320300415
oct5433237364
91827461573
10745357044
11352809863
12189750a70
13bb560393
1470dc380c
15456817e9
hex2c6d3ef4

745357044 has 96 divisors (see below), whose sum is σ = 1951036416. Its totient is φ = 220239360.

The previous prime is 745357037. The next prime is 745357049. The reversal of 745357044 is 440753547.

It is a junction number, because it is equal to n+sod(n) for n = 745356993 and 745357011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745357049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313179 + ... + 315549.

It is an arithmetic number, because the mean of its divisors is an integer number (20323296).

Almost surely, 2745357044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745357044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975518208).

745357044 is an abundant number, since it is smaller than the sum of its proper divisors (1205679372).

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

745357044 is a wasteful number, since it uses less digits than its factorization.

745357044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 39.

The square root of 745357044 is about 27301.2278844744. The cubic root of 745357044 is about 906.6815673613.

The spelling of 745357044 in words is "seven hundred forty-five million, three hundred fifty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 67 68 69 92 102 134 138 201 204 268 276 391 402 782 804 1139 1173 1541 1564 2278 2346 2371 3082 3417 4556 4623 4692 4742 6164 6834 7113 9246 9484 13668 14226 18492 26197 28452 40307 52394 54533 78591 80614 104788 109066 120921 157182 158857 161228 163599 218132 241842 314364 317714 327198 476571 483684 635428 654396 927061 953142 1854122 1906284 2700569 2781183 3653711 3708244 5401138 5562366 7307422 8101707 10802276 10961133 11124732 14614844 16203414 21922266 32406828 43844532 62113087 124226174 186339261 248452348 372678522 745357044