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244544397 = 3431895693
BaseRepresentation
bin11101001001101…
…11001110001101
3122001011010211220
432210313032031
51000100410042
640133233553
76026410266
oct1644671615
9561133756
10244544397
11116047909
1269a928b9
133b882436
142469996d
15167078ec
hexe93738d

244544397 has 8 divisors (see below), whose sum is σ = 333642144. Its totient is φ = 159238128.

The previous prime is 244544393. The next prime is 244544401. The reversal of 244544397 is 793445442.

It is an interprime number because it is at equal distance from previous prime (244544393) and next prime (244544401).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244544397 - 22 = 244544393 is a prime.

It is a super-3 number, since 3×2445443973 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244544393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947718 + ... + 947975.

It is an arithmetic number, because the mean of its divisors is an integer number (41705268).

Almost surely, 2244544397 is an apocalyptic number.

It is an amenable number.

244544397 is a deficient number, since it is larger than the sum of its proper divisors (89097747).

244544397 is a wasteful number, since it uses less digits than its factorization.

244544397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895739.

The product of its digits is 483840, while the sum is 42.

The square root of 244544397 is about 15637.9153661861. The cubic root of 244544397 is about 625.3443623352.

The spelling of 244544397 in words is "two hundred forty-four million, five hundred forty-four thousand, three hundred ninety-seven".

Divisors: 1 3 43 129 1895693 5687079 81514799 244544397