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45075580 = 22511331619
BaseRepresentation
bin1010101111110…
…0110001111100
310010211002001221
42223330301330
543014404310
64250043124
71055064454
oct253746174
9103732057
1045075580
1123497a50
12131194a4
139452b54
145db4d64
153e55ada
hex2afcc7c

45075580 has 48 divisors (see below), whose sum is σ = 103743360. Its totient is φ = 16315200.

The previous prime is 45075577. The next prime is 45075623. The reversal of 45075580 is 8557054.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72511 + ... + 73129.

It is an arithmetic number, because the mean of its divisors is an integer number (2161320).

Almost surely, 245075580 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 45075580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51871680).

45075580 is an abundant number, since it is smaller than the sum of its proper divisors (58667780).

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

45075580 is a wasteful number, since it uses less digits than its factorization.

45075580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 45075580 is about 6713.8349696727. The cubic root of 45075580 is about 355.8883523981. Note that the first 3 decimals are identical.

The spelling of 45075580 in words is "forty-five million, seventy-five thousand, five hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 331 619 662 1238 1324 1655 2476 3095 3310 3641 6190 6620 6809 7282 12380 13618 14564 18205 27236 34045 36410 68090 72820 136180 204889 409778 819556 1024445 2048890 2253779 4097780 4507558 9015116 11268895 22537790 45075580