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46145780 = 2252307289
BaseRepresentation
bin1011000000001…
…0000011110100
310012211110002222
42300002003310
543303131110
64325021512
71100142542
oct260020364
9105743088
1046145780
112405900a
1213554898
139738cc5
1461b2d92
1540b7c55
hex2c020f4

46145780 has 12 divisors (see below), whose sum is σ = 96906180. Its totient is φ = 18458304.

The previous prime is 46145767. The next prime is 46145809. The reversal of 46145780 is 8754164.

It can be written as a sum of positive squares in 2 ways, for example, as 29138404 + 17007376 = 5398^2 + 4124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 46145780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153625 + ... + 1153664.

It is an arithmetic number, because the mean of its divisors is an integer number (8075515).

Almost surely, 246145780 is an apocalyptic number.

It is an amenable number.

46145780 is an abundant number, since it is smaller than the sum of its proper divisors (50760400).

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

46145780 is a wasteful number, since it uses less digits than its factorization.

46145780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307298 (or 2307296 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 46145780 is about 6793.0685260786. The cubic root of 46145780 is about 358.6828928289.

The spelling of 46145780 in words is "forty-six million, one hundred forty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2307289 4614578 9229156 11536445 23072890 46145780