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45989860 = 2257893691
BaseRepresentation
bin1010111101101…
…1111111100100
310012112112020011
42233123333210
543233133420
64321420004
71065623140
oct257337744
9105475204
1045989860
1123a61954
121349a604
1396b3047
146172220
15408695a
hex2bdbfe4

45989860 has 48 divisors (see below), whose sum is σ = 111646080. Its totient is φ = 15586560.

The previous prime is 45989837. The next prime is 45989873. The reversal of 45989860 is 6898954.

It is a happy 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, 10615 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (2325960).

Almost surely, 245989860 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 45989860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55823040).

45989860 is an abundant number, since it is smaller than the sum of its proper divisors (65656220).

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

45989860 is a wasteful number, since it uses less digits than its factorization.

45989860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 45989860 is about 6781.5824112076. The cubic root of 45989860 is about 358.2784575542.

The spelling of 45989860 in words is "forty-five million, nine hundred eighty-nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 3691 6230 7382 12460 14764 18455 25837 36910 51674 73820 103348 129185 258370 328499 516740 656998 1313996 1642495 2299493 3284990 4598986 6569980 9197972 11497465 22994930 45989860