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5172444 = 2233471019
BaseRepresentation
bin10011101110110011011100
3100201210021000
4103232303130
52311004234
6302510300
761652004
oct23566334
910653230
105172444
112a13152
121895390
1310c1424
14989004
156c2899
hex4eecdc

5172444 has 48 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 1685808.

The previous prime is 5172407. The next prime is 5172449. The reversal of 5172444 is 4442715.

5172444 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172449) 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, 4567 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

Almost surely, 25172444 is an apocalyptic number.

5172444 is a gapful number since it is divisible by the number (54) 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 5172444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6854400).

5172444 is an abundant number, since it is smaller than the sum of its proper divisors (8536356).

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

5172444 is a wasteful number, since it uses less digits than its factorization.

5172444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1071 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 5172444 is about 2274.3007716659. The cubic root of 5172444 is about 172.9412521743.

The spelling of 5172444 in words is "five million, one hundred seventy-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1019 1269 1692 2038 2538 3057 4076 5076 6114 9171 12228 18342 27513 36684 47893 55026 95786 110052 143679 191572 287358 431037 574716 862074 1293111 1724148 2586222 5172444