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45005970 = 23517229179
BaseRepresentation
bin1010101110101…
…1110010010010
310010200112120210
42223223302102
543010142340
64244344550
71054354512
oct253536222
9103615523
1045005970
112344a719
12130a5156
13942a269
145d97842
153e40180
hex2aebc92

45005970 has 96 divisors (see below), whose sum is σ = 119361600. Its totient is φ = 10845184.

The previous prime is 45005959. The next prime is 45005971. The reversal of 45005970 is 7950054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45005971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251341 + ... + 251519.

It is an arithmetic number, because the mean of its divisors is an integer number (1243350).

Almost surely, 245005970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45005970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59680800).

45005970 is an abundant number, since it is smaller than the sum of its proper divisors (74355630).

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

45005970 is a wasteful number, since it uses less digits than its factorization.

45005970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 45005970 is about 6708.6488952694. The cubic root of 45005970 is about 355.7050591261.

The spelling of 45005970 in words is "forty-five million, five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 17 29 30 34 51 58 85 87 102 145 170 174 179 255 289 290 358 435 493 510 537 578 867 870 895 986 1074 1445 1479 1734 1790 2465 2685 2890 2958 3043 4335 4930 5191 5370 6086 7395 8381 8670 9129 10382 14790 15215 15573 16762 18258 25143 25955 30430 31146 41905 45645 50286 51731 51910 77865 83810 88247 91290 103462 125715 155193 155730 176494 251430 258655 264741 310386 441235 517310 529482 775965 882470 1323705 1500199 1551930 2647410 3000398 4500597 7500995 9001194 15001990 22502985 45005970