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244387542 = 2378297019
BaseRepresentation
bin11101001000100…
…00111011010110
3122000212011200110
432210100323112
51000030400132
640130023450
76025155060
oct1644207326
9560764613
10244387542
11115a4aa83
1269a17b86
133b828c19
1424658730
15166c61cc
hexe910ed6

244387542 has 32 divisors (see below), whose sum is σ = 559353600. Its totient is φ = 69730848.

The previous prime is 244387541. The next prime is 244387543. The reversal of 244387542 is 245783442.

It is a happy number.

244387542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (244387541) and next prime (244387543).

It is a self number, because there is not a number n which added to its sum of digits gives 244387542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244387541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31309 + ... + 38327.

It is an arithmetic number, because the mean of its divisors is an integer number (17479800).

Almost surely, 2244387542 is an apocalyptic number.

244387542 is an abundant number, since it is smaller than the sum of its proper divisors (314966058).

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

244387542 is a wasteful number, since it uses less digits than its factorization.

244387542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its digits is 215040, while the sum is 39.

The square root of 244387542 is about 15632.8993472100. The cubic root of 244387542 is about 625.2106315137.

The spelling of 244387542 in words is "two hundred forty-four million, three hundred eighty-seven thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 829 1658 2487 4974 5803 7019 11606 14038 17409 21057 34818 42114 49133 98266 147399 294798 5818751 11637502 17456253 34912506 40731257 81462514 122193771 244387542