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44970240 = 283572239
BaseRepresentation
bin1010101110001…
…1000100000000
310010121201120110
42223203010000
543003021430
64243511320
71054145400
oct253430400
9103551513
1044970240
1123425897
1213088540
139416c13
145d88800
153e347b0
hex2ae3100

44970240 has 216 divisors, whose sum is σ = 167771520. Its totient is φ = 10235904.

The previous prime is 44970227. The next prime is 44970241. The reversal of 44970240 is 4207944.

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

It is a junction number, because it is equal to n+sod(n) for n = 44970198 and 44970207.

It is not an unprimeable number, because it can be changed into a prime (44970241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188041 + ... + 188279.

It is an arithmetic number, because the mean of its divisors is an integer number (776720).

Almost surely, 244970240 is an apocalyptic number.

44970240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83885760).

44970240 is an abundant number, since it is smaller than the sum of its proper divisors (122801280).

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

44970240 is a wasteful number, since it uses less digits than its factorization.

44970240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 44970240 is about 6705.9853862054. The cubic root of 44970240 is about 355.6109034208.

The spelling of 44970240 in words is "forty-four million, nine hundred seventy thousand, two hundred forty".