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45236780 = 2252261839
BaseRepresentation
bin1010110010010…
…0001000101100
310011010021012022
42230210020230
543040034110
64253325312
71056335441
oct254441054
9104107168
1045236780
1123598076
1213196838
1394ab334
1460179c8
153e88755
hex2b2422c

45236780 has 12 divisors (see below), whose sum is σ = 94997280. Its totient is φ = 18094704.

The previous prime is 45236767. The next prime is 45236783. The reversal of 45236780 is 8763254.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45236780.

It is not an unprimeable number, because it can be changed into a prime (45236783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130900 + ... + 1130939.

It is an arithmetic number, because the mean of its divisors is an integer number (7916440).

Almost surely, 245236780 is an apocalyptic number.

It is an amenable number.

45236780 is an abundant number, since it is smaller than the sum of its proper divisors (49760500).

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

45236780 is a wasteful number, since it uses less digits than its factorization.

45236780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261848 (or 2261846 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45236780 is about 6725.8293168947. The cubic root of 45236780 is about 356.3120921831.

The spelling of 45236780 in words is "forty-five million, two hundred thirty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2261839 4523678 9047356 11309195 22618390 45236780