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361939444 = 2290484861
BaseRepresentation
bin10101100100101…
…100000111110100
3221020001102120121
4111210230013310
51220124030234
655525341324
711653302016
oct2544540764
9836042517
10361939444
1117633a509
12a1267844
1359ca6769
14360d81b6
1521b964b4
hex1592c1f4

361939444 has 6 divisors (see below), whose sum is σ = 633394034. Its totient is φ = 180969720.

The previous prime is 361939423. The next prime is 361939447. The reversal of 361939444 is 444939163.

361939444 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 281836944 + 80102500 = 16788^2 + 8950^2 .

It is a super-2 number, since 2×3619394442 = 262000322246058272, which contains 22 as substring.

361939444 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 361939444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361939447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45242427 + ... + 45242434.

Almost surely, 2361939444 is an apocalyptic number.

It is an amenable number.

361939444 is a deficient number, since it is larger than the sum of its proper divisors (271454590).

361939444 is a wasteful number, since it uses less digits than its factorization.

361939444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90484865 (or 90484863 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 361939444 is about 19024.7061475335. The cubic root of 361939444 is about 712.6538542891.

The spelling of 361939444 in words is "three hundred sixty-one million, nine hundred thirty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 90484861 180969722 361939444