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244031619 = 31334917929
BaseRepresentation
bin11101000101110…
…10000010000011
3122000012002110010
432202322002003
5444433002434
640114240003
76022143306
oct1642720203
9560162403
10244031619
11115827627
1269886003
133b732c10
14245a4b3d
15166559e9
hexe8ba083

244031619 has 16 divisors (see below), whose sum is σ = 351428000. Its totient is φ = 149734656.

The previous prime is 244031609. The next prime is 244031639. The reversal of 244031619 is 916130442.

It is not a de Polignac number, because 244031619 - 212 = 244027523 is a prime.

It is a super-2 number, since 2×2440316192 = 119102862143522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244031609) 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, 4647 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (21964250).

Almost surely, 2244031619 is an apocalyptic number.

244031619 is a deficient number, since it is larger than the sum of its proper divisors (107396381).

244031619 is a wasteful number, since it uses less digits than its factorization.

244031619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 244031619 is about 15621.5114185536. The cubic root of 244031619 is about 624.9069676993.

It can be divided in two parts, 244031 and 619, that added together give a triangular number (244650 = T699).

The spelling of 244031619 in words is "two hundred forty-four million, thirty-one thousand, six hundred nineteen".

Divisors: 1 3 13 39 349 1047 4537 13611 17929 53787 233077 699231 6257221 18771663 81343873 244031619