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7053189 = 3111341401
BaseRepresentation
bin11010111001111110000101
3111021100011020
4122321332011
53301200224
6411101353
7113644143
oct32717605
914240136
107053189
113a88190
122441859
1315cc4b0
14d18593
15944c79
hex6b9f85

7053189 has 32 divisors (see below), whose sum is σ = 11346048. Its totient is φ = 3840000.

The previous prime is 7053127. The next prime is 7053197. The reversal of 7053189 is 9813507.

It is a de Polignac number, because none of the positive numbers 2k-7053189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

7053189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7053689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17389 + ... + 17789.

It is an arithmetic number, because the mean of its divisors is an integer number (354564).

Almost surely, 27053189 is an apocalyptic number.

It is an amenable number.

7053189 is a deficient number, since it is larger than the sum of its proper divisors (4292859).

7053189 is a wasteful number, since it uses less digits than its factorization.

7053189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 7053189 is about 2655.7840650173. The cubic root of 7053189 is about 191.7764052942.

The spelling of 7053189 in words is "seven million, fifty-three thousand, one hundred eighty-nine".

Divisors: 1 3 11 13 33 39 41 123 143 401 429 451 533 1203 1353 1599 4411 5213 5863 13233 15639 16441 17589 49323 57343 172029 180851 213733 542553 641199 2351063 7053189